CVE-2026-56785

HIGHPre-NVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. a secondary CVSS source baseline 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: None knownExposed: 0

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

FlatPress contains a stored cross-site scripting vulnerability in comment and contact forms where name, URL, and email fields are rendered without proper output encoding in Smarty templates. Attackers can inject arbitrary HTML and JavaScript through these fields to execute malicious scripts in browsers of viewers including administrators, or bypass URL scheme validation to inject javascript: or data: URIs.

CVSS v3
8.2
EG Score
8.2(medium)
EG Risk
42(Track)
EG Risk 42/100SSVC: Track

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
Severity82% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
36%
KEV
Not listed

Published

June 23, 2026

Last Modified

June 25, 2026

Advisory Details (3)

Auto-updated Jun 24, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

FlatPress - Stored Cross-Site Scripting via Unescaped Comment and Contact Form Fields | Advisories | VulnCheck

https://www.vulncheck.com/advisories/flatpress-stored-cross-site-scripting-via-unescaped-comment-and-contact-form-fields
github_commit

commit 10be83cbaac5 (flatpressblog/flatpress)

Fix landed in flatpressblog/flatpress commit 10be83cbaac5 — awaiting tagged release

https://github.com/flatpressblog/flatpress/commit/10be83cbaac5ce0e51250b9d57de7f257b8f34f8
generic

GitHub - dilipk5/flatpressd-cms-sxss · GitHub

https://github.com/dilipk5/flatpressd-cms-sxss

Vendor Advisories for CVE-2026-56785(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 5× in last 7d / 55× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. 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. Most recent first.

Showing the most recent 100 of 215 total refreshes for this CVE.

  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-10 09:35 UTCEPSS rescore
  3. 2026-09-08 22:01 UTCEPSS rescore
  4. 2026-09-07 16:01 UTCEPSS rescore
  5. 2026-09-06 13:47 UTCEPSS rescore
  6. 2026-09-04 05:07 UTCEPSS rescore
  7. 2026-09-02 14:12 UTCEPSS rescore
  8. 2026-09-01 13:54 UTCEPSS rescore
  9. 2026-09-01 04:40 UTCEPSS rescore
  10. 2026-08-30 20:24 UTCEG score recompute
  11. 2026-08-30 20:24 UTCGHSA enrichment
  12. 2026-08-30 19:17 UTCEPSS rescore
  13. 2026-08-30 01:22 UTCEPSS rescore
  14. 2026-08-28 21:42 UTCEPSS rescore
  15. 2026-08-27 14:25 UTCEPSS rescore
  16. 2026-08-26 14:46 UTCEPSS rescore
  17. 2026-08-25 13:49 UTCEPSS rescore
  18. 2026-08-24 22:05 UTCEG score recompute
  19. 2026-08-24 22:05 UTCGHSA enrichment
  20. 2026-08-24 04:43 UTCGHSA enrichment
  21. 2026-08-23 15:23 UTCGHSA enrichment
  22. 2026-08-23 02:40 UTCGHSA enrichment
  23. 2026-08-22 13:43 UTCEG score recompute
  24. 2026-08-22 13:43 UTCGHSA enrichment
  25. 2026-08-21 23:49 UTCEPSS rescore
Show 75 more
  1. 2026-08-21 22:05 UTCGHSA enrichment
  2. 2026-08-21 09:18 UTCEG score recompute
  3. 2026-08-21 09:18 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 20:26 UTCGHSA enrichment
  6. 2026-08-20 07:44 UTCEG score recompute
  7. 2026-08-20 07:44 UTCGHSA enrichment
  8. 2026-08-19 17:04 UTCEPSS rescore
  9. 2026-08-19 04:47 UTCEG score recompute
  10. 2026-08-19 04:47 UTCGHSA enrichment
  11. 2026-08-18 13:48 UTCEPSS rescore
  12. 2026-08-17 14:30 UTCEG score recompute
  13. 2026-08-17 14:30 UTCGHSA enrichment
  14. 2026-08-17 13:47 UTCEPSS rescore
  15. 2026-08-17 01:48 UTCEG score recompute
  16. 2026-08-17 01:48 UTCGHSA enrichment
  17. 2026-08-16 14:56 UTCEPSS rescore
  18. 2026-08-16 13:06 UTCEG score recompute
  19. 2026-08-16 13:06 UTCGHSA enrichment
  20. 2026-08-16 02:14 UTCEPSS rescore
  21. 2026-08-16 00:24 UTCGHSA enrichment
  22. 2026-08-15 11:42 UTCEG score recompute
  23. 2026-08-15 11:42 UTCGHSA enrichment
  24. 2026-08-15 01:30 UTCEPSS rescore
  25. 2026-08-14 23:00 UTCGHSA enrichment
  26. 2026-08-14 10:19 UTCEG score recompute
  27. 2026-08-14 10:19 UTCGHSA enrichment
  28. 2026-08-13 22:00 UTCEPSS rescore
  29. 2026-08-13 21:37 UTCGHSA enrichment
  30. 2026-08-13 08:49 UTCGHSA enrichment
  31. 2026-08-12 20:08 UTCEG score recompute
  32. 2026-08-12 20:08 UTCGHSA enrichment
  33. 2026-08-12 13:51 UTCEPSS rescore
  34. 2026-08-12 07:26 UTCGHSA enrichment
  35. 2026-08-11 18:44 UTCEG score recompute
  36. 2026-08-11 18:44 UTCGHSA enrichment
  37. 2026-08-11 06:03 UTCEG score recompute
  38. 2026-08-11 06:03 UTCGHSA enrichment
  39. 2026-08-11 00:00 UTCEPSS rescore
  40. 2026-08-10 17:21 UTCGHSA enrichment
  41. 2026-08-10 03:21 UTCGHSA enrichment
  42. 2026-08-09 14:39 UTCEG score recompute
  43. 2026-08-09 14:39 UTCGHSA enrichment
  44. 2026-08-09 13:46 UTCEPSS rescore
  45. 2026-08-09 01:58 UTCEG score recompute
  46. 2026-08-09 01:58 UTCGHSA enrichment
  47. 2026-08-08 16:37 UTCEPSS rescore
  48. 2026-08-08 13:17 UTCGHSA enrichment
  49. 2026-08-08 00:35 UTCEG score recompute
  50. 2026-08-08 00:35 UTCGHSA enrichment
  51. 2026-08-07 11:53 UTCGHSA enrichment
  52. 2026-08-06 23:11 UTCEG score recompute
  53. 2026-08-06 23:11 UTCGHSA enrichment
  54. 2026-08-06 13:47 UTCEPSS rescore
  55. 2026-08-06 10:05 UTCGHSA enrichment
  56. 2026-08-05 21:23 UTCEG score recompute
  57. 2026-08-05 21:23 UTCGHSA enrichment
  58. 2026-08-05 19:17 UTCEPSS rescore
  59. 2026-08-05 08:41 UTCGHSA enrichment
  60. 2026-08-04 15:38 UTCEG score recompute
  61. 2026-08-04 15:38 UTCGHSA enrichment
  62. 2026-08-04 15:10 UTCEPSS rescore
  63. 2026-08-04 10:39 UTCEPSS rescore
  64. 2026-08-04 02:56 UTCGHSA enrichment
  65. 2026-08-03 14:15 UTCEG score recompute
  66. 2026-08-03 14:15 UTCGHSA enrichment
  67. 2026-08-03 10:36 UTCEPSS rescore
  68. 2026-08-02 21:50 UTCGHSA enrichment
  69. 2026-08-02 09:08 UTCEG score recompute
  70. 2026-08-02 09:08 UTCGHSA enrichment
  71. 2026-08-02 02:27 UTCEPSS rescore
  72. 2026-08-01 20:26 UTCGHSA enrichment
  73. 2026-08-01 07:44 UTCEG score recompute
  74. 2026-08-01 07:44 UTCGHSA enrichment
  75. 2026-08-01 04:16 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-56785?
CVE-2026-56785 is a high vulnerability published on June 23, 2026. FlatPress contains a stored cross-site scripting vulnerability in comment and contact forms where name, URL, and email fields are rendered without proper output encoding in Smarty templates. Attackers can inject arbitrary HTML and JavaScript through these fields to execute malicious scripts in…
When was CVE-2026-56785 disclosed?
CVE-2026-56785 was first published in the National Vulnerability Database on June 23, 2026, with the most recent update on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56785 actively exploited?
CVE-2026-56785 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 64.5% of all scored CVEs.
What is the CVSS score of CVE-2026-56785?
CVE-2026-56785 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-56785?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56785, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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