CVE-2026-25345

CRITICALNVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-03-25. NVD baseline CVSS 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.9Exploit: None knownExposed: 0

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

Improper Validation of Specified Quantity in Input vulnerability in GalleryCreator SimpLy Gallery simply-gallery-block allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects SimpLy Gallery: from n/a through <= 3.3.2.

CVSS v3
9.9
EG Score
9.9(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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
Severity99% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

March 25, 2026

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

Arbitrary Code Execution in WordPress SimpLy Gallery Plugin - Patchstack

https://patchstack.com/database/Wordpress/Plugin/simply-gallery-block/vulnerability/wordpress-simply-gallery-plugin-3-3-2-arbitrary-code-execution-vulnerability?_s_id=cve

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 4× in last 7d / 24× 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 238 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-25345?
CVE-2026-25345 is a critical vulnerability published on March 25, 2026. Improper Validation of Specified Quantity in Input vulnerability in GalleryCreator SimpLy Gallery simply-gallery-block allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects SimpLy Gallery: from n/a through <= 3.3.2.
When was CVE-2026-25345 disclosed?
CVE-2026-25345 was first published in the National Vulnerability Database on March 25, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-25345 actively exploited?
CVE-2026-25345 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 61.8% of all scored CVEs.
What is the CVSS score of CVE-2026-25345?
CVE-2026-25345 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-25345?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-25345, 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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