CVE-2025-7870

MEDIUMNVD 5.45.4
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to NVD's CVSS score.

This medium-severity CVE scores 5.4 under NVD CVSS v3. EPSS exploit probability: 0.3% (25th percentile of EPSS-scored CVEs). GitHub Security Advisory CVSS 3.5 is lower than this score; a lower GitHub score revises it only when its advisory is newer than the CVE record's last change, and this advisory (published 2025-07-20) is not newer than that change (2026-10-09), so it does not.

Triggered by: Headline CVSS from NVD CVSS v3
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3
Elevated
5.4EG
EchelonGraph verdictPlan mitigationRemediate within your standard update timelines (the SSVC decision on this page).
  • CISA's Vulnrichment rates exploitation as PoC; EchelonGraph holds no exploit-code reference for it
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 5.4Exploit: No code on recordExposed services: Not assessed

An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.

A vulnerability was identified in Portabilis i-Diario 1.5.0. The affected element is an unknown function of the file app/uploaders/doc_uploader.rb of the component justificativas-de-falta Endpoint. Such manipulation of the argument Anexo leads to cross site scripting. The attack can be launched remotely. The exploit is publicly available and might be used. The name of the patch is 6c529bb2d96130aa29533f49e204e86518e11fdd. It is best practice to apply a patch to resolve this issue. The vendor confirms: "The attachment uploader now rejects files whose declared content type indicates executable or markup content".

CVSS v3
5.4
EG Score
5.4MEDIUMmedium confidence
EG Risk
40
EG Risk 40/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity54% × 45%
Impact severity (EG Severity): CVSS 5.4 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation40% × 40%
EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.
EPSS PROB
0.3%
EPSS %ILE
25th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (5.4): severity, escalated by confirmed exploitation. This CVE's 5.4 is its impact severity (EG Severity), not escalated.

EG Severity
5.4 MEDIUMCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.NVD CVSS v3 · CVSS v3.0 or v3.1
EG Likelihood
0.3% within 30 daysSource: FIRST EPSS. FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at low or medium mission impact; Track* at high (mission-essential systems).CISA BOD 26-04: 60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).

An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

July 20, 2025

Last Modified

October 9, 2026

Advisory Details (3)

Auto-updated Oct 9, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
Web page

GitHub - portabilis/i-diario: Lançando o maior software livre de educação do Brasil! · GitHub

https://github.com/portabilis/i-diario/
GitHub commit

commit 6c529bb2d961 (portabilis/i-diario)

Fix landed in portabilis/i-diario commit 6c529bb2d961 — awaiting tagged release

https://github.com/portabilis/i-diario/commit/6c529bb2d96130aa29533f49e204e86518e11fdd
Web page

CVE/i-diario/CVE-2025-7870.md at main · CVE-Hunters/CVE · GitHub

https://github.com/CVE-Hunters/CVE/blob/main/i-diario/CVE-2025-7870.md

Vendor Advisories for CVE-2025-7870(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 37× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 95 of 206 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 5 repeat rows among the latest 100 are merged into the row they repeat. The 111 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-21 16:31 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  2. 2026-10-20 16:31 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  3. 2026-10-19 16:31 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  4. 2026-10-18 16:31 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  5. 2026-10-18 05:15 UTCEG score recompute
  6. 2026-10-17 16:33 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  7. 2026-10-16 16:39 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
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  9. 2026-10-14 16:31 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  10. 2026-10-13 16:33 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  11. 2026-10-12 16:44 UTCEG score recompute
  12. 2026-10-12 16:33 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  13. 2026-10-11 20:19 UTCEG score recompute
  14. 2026-10-11 18:31 UTCEG score recompute
  15. 2026-10-11 15:06 UTCEG score recompute
  16. 2026-10-11 13:47 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  17. 2026-10-10 19:59 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  18. 2026-10-09 20:06 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  19. 2026-10-09 17:36 UTCGHSA enrichmentGHSA-mmc6-r5xm-56vx · GitHub CVSS 3.5
  20. 2026-10-09 17:33 UTCNVD updateCVSS v4 → 2
  21. 2026-10-09 17:13 UTCEG score recompute
  22. 2026-10-09 17:12 UTCGHSA enrichmentGHSA-mmc6-r5xm-56vx · GitHub CVSS 3.5
  23. 2026-10-09 16:53 UTCMITRE cvelistV5CVSS v4 → 5.1
  24. 2026-10-08 17:11 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  25. 2026-10-07 23:47 UTCEPSS rescoreEPSS 0.3% · 19th percentile
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  1. 2026-10-06 16:58 UTCOSV refresh
  2. 2026-10-06 15:17 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  3. 2026-10-05 17:42 UTCEPSS rescoreEPSS 0.3% · 19th percentile
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  6. 2026-10-01 19:49 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  7. 2026-09-30 15:02 UTCEPSS rescoreEPSS 0.3% · 19th percentile
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  9. 2026-09-28 13:50 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  10. 2026-09-26 15:58 UTCEPSS rescoreEPSS 0.3% · 19th percentile
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  12. 2026-09-23 13:47 UTCEPSS rescoreEPSS 0.3% · 21st percentile
  13. 2026-09-20 20:15 UTCEPSS rescoreEPSS 0.3% · 21st percentile
  14. 2026-09-18 19:27 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  15. 2026-09-17 19:30 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  16. 2026-09-16 21:36 UTCOSV refresh
  17. 2026-09-16 14:07 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  18. 2026-09-16 05:14 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  19. 2026-09-15 03:10 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  20. 2026-09-13 16:46 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  21. 2026-09-12 15:00 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  22. 2026-09-11 14:52 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  23. 2026-09-10 09:34 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  24. 2026-09-08 22:00 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  25. 2026-09-07 16:00 UTCEPSS rescoreEPSS 0.3% · 20th percentile
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  29. 2026-09-01 13:53 UTCEPSS rescoreEPSS 0.3% · 19th percentile
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  31. 2026-08-28 21:40 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  32. 2026-08-28 21:31 UTCOSV refresh
  33. 2026-08-27 14:24 UTCEPSS rescoreEPSS 0.3% · 19th percentile
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  38. 2026-08-21 23:48 UTCEPSS rescoreEPSS 0.3% · 20th percentile
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  40. 2026-08-19 17:03 UTCEPSS rescoreEPSS 0.3% · 20th percentile
  41. 2026-08-18 13:48 UTCEPSS rescoreEPSS 0.3% · 20th percentile
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  46. 2026-08-13 22:00 UTCEPSS rescoreEPSS 0.3% · 20th percentile
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  48. 2026-08-12 09:24 UTCOSV refresh
  49. 2026-08-11 13:42 UTCEPSS rescoreEPSS 0.3% · 20th percentile
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  58. 2026-07-30 16:27 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  59. 2026-07-30 01:30 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  60. 2026-07-27 16:27 UTCOSV refresh
  61. 2026-07-27 14:13 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  62. 2026-07-26 14:54 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  63. 2026-07-25 14:17 UTCEPSS rescoreEPSS 0.3% · 19th percentile
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  65. 2026-07-23 14:18 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  66. 2026-07-23 03:03 UTCEG score recompute▲ 1.90
  67. 2026-07-22 14:08 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  68. 2026-07-21 15:24 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  69. 2026-07-20 17:08 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  70. 2026-07-19 14:30 UTCEPSS rescoreEPSS 0.3% · 19th percentile

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Frequently asked(5)

What is CVE-2025-7870?
CVE-2025-7870 is a medium-severity vulnerability; its CVE record was published on July 20, 2025. A vulnerability was identified in Portabilis i-Diario 1.5.0. The affected element is an unknown function of the file app/uploaders/doc_uploader.rb of the component justificativas-de-falta Endpoint. Such manipulation of the argument Anexo leads to cross site scripting. The attack can be launched…
When was the CVE record for CVE-2025-7870 published?
The CVE record for CVE-2025-7870 was published on July 20, 2025. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of October 9, 2026; the record at its source may have been updated since.
Is CVE-2025-7870 actively exploited?
CVE-2025-7870 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (25th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2025-7870?
CVE-2025-7870 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2025-7870?
An upstream fix for CVE-2025-7870 has been merged but is not yet in a tagged release. Until it ships, restrict network exposure of the affected system or apply the vendor's mitigation, then update to the release that contains the fix. The vendor advisories EchelonGraph has for CVE-2025-7870 are linked in the Vendor Advisories panel on this page.

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