CVE-2025-15490

MEDIUMPre-NVD 5.35.3
EchelonGraph scoreMEDIUM confidence

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

Score 5.3 from GitHub Security Advisory published 2026-09-02. A secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, a secondary CVSS source
Trending — 3 sources updated this weekElevated
5.3EG
EchelonGraph verdictPlan mitigationRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (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: 0.2%CVSS: 5.3Exploit: No code on recordExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

The CVE record's CNA (WPScan) lists Passster versions before 4.2.26 as affected. No release containing a fix is confirmed on record.

The Passster WordPress plugin before 4.2.26 has a flaw in its global protection checks, allowing unauthenticated users to bypass the protection offered via crafted URLs

CVSS v3
5.3
EG Score
5.3MEDIUMmedium confidence
EG Risk
55
EG Risk 55/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed (value × EchelonGraph’s weight)
Severity53% × 45%
The EG Score, 5.3 of 10.
Exploitation40% × 40%
EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Attend at high (mission-essential systems).
Exploitation public PoC (CISA Vulnrichment) · Automatable yes (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: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
0.2%
EPSS %ILE
10th
KEV
Not listed

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

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable yes (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)14 days if the affected system is publicly exposed; 60 days if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable yes (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

September 2, 2026

Last Modified

September 3, 2026

Advisory Details (1)

Auto-updated Sep 2, 2026
No fix on record yet.
Web page

Passster < 4.2.26 – Global Protection Bypass | CVE 2025-15490 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/87d4768e-48a5-4d91-a5e1-8a84ba2de035/

Vendor Advisories for CVE-2025-15490(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 16× in last 7d / 80× 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 98 of 115 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. 2 repeat rows among the latest 100 are merged into the row they repeat. The 17 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-13 16:31 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  2. 2026-10-12 17:22 UTCEG score recompute
  3. 2026-10-12 16:32 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  4. 2026-10-11 20:53 UTCEG score recompute
  5. 2026-10-11 19:03 UTCEG score recompute
  6. 2026-10-11 15:43 UTCEG score recompute
  7. 2026-10-11 13:46 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  8. 2026-10-10 19:58 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  9. 2026-10-10 00:15 UTCEG score recompute
  10. 2026-10-10 00:15 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  11. 2026-10-09 20:06 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  12. 2026-10-09 01:42 UTCEG score recompute
  13. 2026-10-09 01:42 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  14. 2026-10-08 17:08 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  15. 2026-10-07 23:46 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  16. 2026-10-07 23:46 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  17. 2026-10-06 22:41 UTCEG score recompute
  18. 2026-10-06 22:41 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  19. 2026-10-06 15:16 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  20. 2026-10-06 00:09 UTCEG score recompute
  21. 2026-10-06 00:09 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  22. 2026-10-05 17:42 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  23. 2026-10-04 23:43 UTCEG score recompute
  24. 2026-10-04 23:43 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  25. 2026-10-04 23:21 UTCEPSS rescoreEPSS 0.2% · 10th percentile
Show 73 more
  1. 2026-10-04 01:10 UTCEG score recompute
  2. 2026-10-04 01:10 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  3. 2026-10-03 14:24 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  4. 2026-10-03 00:24 UTCEG score recompute
  5. 2026-10-03 00:24 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  6. 2026-10-02 00:32 UTCEG score recompute
  7. 2026-10-02 00:32 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  8. 2026-10-01 19:48 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  9. 2026-10-01 01:39 UTCEG score recompute
  10. 2026-10-01 01:39 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  11. 2026-09-30 15:02 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  12. 2026-09-30 03:06 UTCEG score recompute
  13. 2026-09-30 03:06 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  14. 2026-09-29 01:14 UTCEG score recompute
  15. 2026-09-29 01:14 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  16. 2026-09-28 13:50 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  17. 2026-09-28 02:37 UTCEG score recompute
  18. 2026-09-28 02:37 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  19. 2026-09-27 04:04 UTCEG score recompute
  20. 2026-09-27 04:04 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  21. 2026-09-26 15:57 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  22. 2026-09-26 04:57 UTCEG score recompute
  23. 2026-09-26 04:57 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  24. 2026-09-26 04:55 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  25. 2026-09-25 01:43 UTCEG score recompute
  26. 2026-09-25 01:43 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  27. 2026-09-24 14:02 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  28. 2026-09-24 03:10 UTCEG score recompute
  29. 2026-09-24 03:10 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  30. 2026-09-23 13:46 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  31. 2026-09-23 04:37 UTCEG score recompute
  32. 2026-09-23 04:37 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  33. 2026-09-22 14:47 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  34. 2026-09-22 06:03 UTCEG score recompute
  35. 2026-09-22 06:03 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  36. 2026-09-21 07:30 UTCEG score recompute
  37. 2026-09-21 07:30 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  38. 2026-09-20 20:14 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  39. 2026-09-20 08:44 UTCEG score recompute
  40. 2026-09-20 08:44 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  41. 2026-09-19 10:11 UTCEG score recompute
  42. 2026-09-19 10:11 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  43. 2026-09-18 19:27 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  44. 2026-09-18 11:38 UTCEG score recompute
  45. 2026-09-18 11:38 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  46. 2026-09-17 13:02 UTCEG score recompute
  47. 2026-09-17 13:02 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  48. 2026-09-16 14:06 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  49. 2026-09-16 14:01 UTCEG score recompute
  50. 2026-09-16 14:01 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  51. 2026-09-16 05:13 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  52. 2026-09-15 15:05 UTCEG score recompute
  53. 2026-09-15 15:05 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  54. 2026-09-15 03:08 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  55. 2026-09-14 16:28 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  56. 2026-09-13 17:54 UTCEG score recompute
  57. 2026-09-13 17:54 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  58. 2026-09-13 16:45 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  59. 2026-09-12 19:21 UTCEG score recompute
  60. 2026-09-12 19:21 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  61. 2026-09-12 14:59 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  62. 2026-09-11 20:48 UTCEG score recompute
  63. 2026-09-11 20:48 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  64. 2026-09-11 14:51 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  65. 2026-09-11 09:35 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  66. 2026-09-10 22:05 UTCEG score recompute
  67. 2026-09-10 22:05 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  68. 2026-09-10 09:33 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  69. 2026-09-09 23:32 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  70. 2026-09-08 23:13 UTCEG score recompute
  71. 2026-09-08 23:13 UTCGHSA enrichmentGHSA-r64m-vg32-6jh4 · GitHub CVSS 5.3
  72. 2026-09-08 21:59 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  73. 2026-09-07 16:00 UTCEPSS rescoreEPSS 0.2% · 11th percentile

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-15490?
CVE-2025-15490 is a medium-severity vulnerability; its CVE record was published on September 2, 2026. The Passster WordPress plugin before 4.2.26 has a flaw in its global protection checks, allowing unauthenticated users to bypass the protection offered via crafted URLs
When was the CVE record for CVE-2025-15490 published?
The CVE record for CVE-2025-15490 was published on September 2, 2026. 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 September 3, 2026; the record at its source may have been updated since.
Is CVE-2025-15490 actively exploited?
CVE-2025-15490 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (10th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2025-15490?
CVE-2025-15490 has a CVSS base score of 5.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2025-15490?
No fix for CVE-2025-15490 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The CVE record's CNA (WPScan) lists Passster versions before 4.2.26 as affected. No release containing a fix is confirmed on record. The vendor advisories EchelonGraph has for CVE-2025-15490 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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