CVE-2025-34434

CRITICALPre-NVD 9.39.3—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.3 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit probability: 0.4%, top 65% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this week
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.3Exploit: None knownExposed: 0

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

AVideo versions prior to 20.1 with the ImageGallery plugin enabled is vulnerable to unauthenticated file upload and deletion. Plugin endpoints responsible for managing gallery images fail to enforce authentication checks and do not validate ownership, allowing unauthenticated attackers to upload or delete images associated with any image-based video.

CVSS v3
9.3
EG Score
9.3(medium)
EG Risk
57(Track)
EG Risk 57/100SSVC: 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
Severity93% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

December 17, 2025

Last Modified

June 23, 2026

Advisory Details (4)

Auto-updated Jul 17, 2026
Patch available. Sources: github_commit.
generic

From Zero to Shell: Hunting Critical Vulnerabilities in AVideo - Chocapikk's Cybersecurity Blog

https://chocapikk.com/posts/2025/avideo-security-vulnerabilities/
generic

AVideo < 20.1 ImageGallery Plugin Unauthenticated File Upload and Deletion | Advisories | VulnCheck

https://www.vulncheck.com/advisories/avideo-imagegallery-plugin-unauthenticated-file-upload-and-deletion
github_commit Patch Available

commit c279999cbd (WWBN/AVideo)

Patch available: WWBN/AVideo 21.0 (contains commit c279999cbd)

https://github.com/WWBN/AVideo/commit/c279999cbd
github_commit Patch Available

commit 4a53ab2056 (WWBN/AVideo)

Patch available: WWBN/AVideo 21.0 (contains commit 4a53ab2056)

https://github.com/WWBN/AVideo/commit/4a53ab2056

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 46× 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.

  1. 2026-07-26 14:54 UTCEPSS rescore
  2. 2026-07-25 14:17 UTCEPSS rescore
  3. 2026-07-25 14:17 UTCEPSS rescore
  4. 2026-07-24 14:17 UTCEPSS rescore
  5. 2026-07-23 12:49 UTCOSV refresh
  6. 2026-07-23 02:54 UTCEG score recompute▲ 0.20
  7. 2026-07-22 14:07 UTCEPSS rescore
  8. 2026-07-22 14:07 UTCEPSS rescore
  9. 2026-07-21 15:24 UTCEPSS rescore
  10. 2026-07-20 17:07 UTCEPSS rescore
  11. 2026-07-19 14:30 UTCEPSS rescore
  12. 2026-07-19 14:30 UTCEPSS rescore
  13. 2026-07-19 02:28 UTCEPSS rescore
  14. 2026-07-19 02:28 UTCEPSS rescore
  15. 2026-07-18 10:04 UTCEPSS rescore
  16. 2026-07-18 10:04 UTCEPSS rescore
  17. 2026-07-16 17:02 UTCEPSS rescore
  18. 2026-07-15 16:57 UTCEPSS rescore
  19. 2026-07-15 16:57 UTCEPSS rescore
  20. 2026-07-15 01:59 UTCEPSS rescore
  21. 2026-07-15 01:59 UTCEPSS rescore
  22. 2026-07-13 22:29 UTCEPSS rescore
  23. 2026-07-13 22:29 UTCEPSS rescore
  24. 2026-07-13 06:12 UTCEPSS rescore
  25. 2026-07-12 05:46 UTCEPSS rescore
Show 70 more
  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-11 08:27 UTCEPSS rescore
  3. 2026-07-09 19:09 UTCEPSS rescore
  4. 2026-07-09 19:09 UTCEPSS rescore
  5. 2026-07-07 13:45 UTCEPSS rescore
  6. 2026-07-06 16:27 UTCEPSS rescore
  7. 2026-07-06 16:27 UTCEPSS rescore
  8. 2026-07-06 07:41 UTCOSV refresh
  9. 2026-07-06 02:23 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 06:30 UTCEPSS rescore
  12. 2026-07-01 15:06 UTCEPSS rescore
  13. 2026-07-01 15:06 UTCEPSS rescore
  14. 2026-06-30 23:22 UTCEPSS rescore
  15. 2026-06-30 23:22 UTCEPSS rescore
  16. 2026-06-29 14:06 UTCEPSS rescore
  17. 2026-06-29 14:06 UTCEPSS rescore
  18. 2026-06-28 14:07 UTCEPSS rescore
  19. 2026-06-28 14:07 UTCEPSS rescore
  20. 2026-06-28 04:55 UTCEPSS rescore
  21. 2026-06-28 04:55 UTCEPSS rescore
  22. 2026-06-27 03:17 UTCMITRE cvelistV5CVSS v3 → 9.3
  23. 2026-06-27 03:08 UTCEPSS rescore
  24. 2026-06-27 03:08 UTCEPSS rescore
  25. 2026-06-25 13:49 UTCEPSS rescore
  26. 2026-06-25 13:49 UTCEPSS rescore
  27. 2026-06-24 14:04 UTCEPSS rescore
  28. 2026-06-24 14:04 UTCEPSS rescore
  29. 2026-06-23 21:32 UTCEPSS rescore
  30. 2026-06-23 21:32 UTCEPSS rescore
  31. 2026-06-22 14:25 UTCEPSS rescore
  32. 2026-06-22 14:25 UTCEPSS rescore
  33. 2026-06-21 14:56 UTCEPSS rescore
  34. 2026-06-21 14:56 UTCEPSS rescore
  35. 2026-06-21 01:59 UTCEPSS rescore
  36. 2026-06-21 01:59 UTCEPSS rescore
  37. 2026-06-19 19:25 UTCEPSS rescore
  38. 2026-06-19 19:25 UTCEPSS rescore
  39. 2026-06-18 17:52 UTCEPSS rescore
  40. 2026-06-18 17:52 UTCEPSS rescore
  41. 2026-06-17 19:14 UTCOSV refresh
  42. 2026-06-17 17:52 UTCEPSS rescore
  43. 2026-06-16 17:52 UTCEPSS rescore
  44. 2026-06-16 17:52 UTCEPSS rescore
  45. 2026-06-14 23:17 UTCEPSS rescore
  46. 2026-06-13 23:00 UTCEPSS rescore
  47. 2026-06-12 23:11 UTCEPSS rescore
  48. 2026-06-11 14:00 UTCEPSS rescore
  49. 2026-06-10 22:18 UTCEPSS rescore
  50. 2026-06-10 13:22 UTCEPSS rescore
  51. 2026-06-08 14:16 UTCEPSS rescore
  52. 2026-06-08 14:16 UTCEPSS rescore
  53. 2026-06-07 15:24 UTCEPSS rescore
  54. 2026-06-06 13:47 UTCEPSS rescore
  55. 2026-06-06 13:47 UTCEPSS rescore
  56. 2026-06-05 22:46 UTCEPSS rescore
  57. 2026-06-05 22:46 UTCEPSS rescore
  58. 2026-06-05 06:10 UTCEPSS rescore
  59. 2026-06-05 06:10 UTCEPSS rescore
  60. 2026-06-04 13:12 UTCEPSS rescore
  61. 2026-06-04 13:12 UTCEPSS rescore
  62. 2026-06-02 20:12 UTCEPSS rescore
  63. 2026-06-01 13:51 UTCEPSS rescore
  64. 2026-06-01 13:51 UTCEPSS rescore
  65. 2026-05-31 22:30 UTCEPSS rescore
  66. 2026-05-31 22:30 UTCEPSS rescore
  67. 2026-05-31 00:16 UTCEPSS rescore
  68. 2026-05-29 17:25 UTCEG score recompute
  69. 2026-05-29 17:24 UTCGHSA enrichment
  70. 2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-34434?
CVE-2025-34434 is a critical vulnerability published on December 17, 2025. AVideo versions prior to 20.1 with the ImageGallery plugin enabled is vulnerable to unauthenticated file upload and deletion. Plugin endpoints responsible for managing gallery images fail to enforce authentication checks and do not validate ownership, allowing unauthenticated attackers to upload or…
When was CVE-2025-34434 disclosed?
CVE-2025-34434 was first published in the National Vulnerability Database on December 17, 2025, with the most recent update on June 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-34434 actively exploited?
CVE-2025-34434 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 65.3% of all scored CVEs.
What is the CVSS score of CVE-2025-34434?
CVE-2025-34434 has a CVSS v4.0 base score of 9.3 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2025-34434?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-34434, 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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