CVE-2026-57323

MEDIUMPre-NVD 5.85.8—
EchelonGraph scoreMEDIUM confidence

Score 5.8 from GitHub Security Advisory published 2026-06-26. a secondary CVSS source baseline 5.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
5.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.8Exploit: None knownExposed: 0

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

Unauthenticated Broken Access Control in Flash & HTML5 Video <= 2.11.0 versions.

CVSS v3
5.8
EG Score
5.8(medium)
EG Risk
31(Track)
EG Risk 31/100SSVC: 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
Severity58% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 26, 2026

Advisory Details (1)

Auto-updated Jun 26, 2026
No patch confirmed yet.
generic

Broken Access Control in WordPress Flash & HTML5 Video Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/html5-video-player/vulnerability/wordpress-flash-html5-video-plugin-2-11-0-broken-access-control-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-57323(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 / 51× 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 166 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 19:23 UTCEG score recompute
  11. 2026-08-30 19:23 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 23:11 UTCEG score recompute
  16. 2026-08-27 23:11 UTCGHSA enrichment
  17. 2026-08-27 14:25 UTCEPSS rescore
  18. 2026-08-26 14:46 UTCEPSS rescore
  19. 2026-08-25 13:49 UTCEPSS rescore
  20. 2026-08-24 13:00 UTCEG score recompute
  21. 2026-08-24 13:00 UTCGHSA enrichment
  22. 2026-08-23 10:27 UTCEG score recompute
  23. 2026-08-23 10:27 UTCGHSA enrichment
  24. 2026-08-23 00:19 UTCEPSS rescore
  25. 2026-08-22 09:37 UTCEG score recompute
Show 75 more
  1. 2026-08-22 09:37 UTCGHSA enrichment
  2. 2026-08-21 23:49 UTCEPSS rescore
  3. 2026-08-21 07:25 UTCEG score recompute
  4. 2026-08-21 07:25 UTCGHSA enrichment
  5. 2026-08-20 22:55 UTCEPSS rescore
  6. 2026-08-20 06:54 UTCEG score recompute
  7. 2026-08-20 06:54 UTCGHSA enrichment
  8. 2026-08-19 17:04 UTCEPSS rescore
  9. 2026-08-19 00:19 UTCEG score recompute
  10. 2026-08-19 00:19 UTCGHSA enrichment
  11. 2026-08-18 13:48 UTCEPSS rescore
  12. 2026-08-17 14:48 UTCEG score recompute
  13. 2026-08-17 14:48 UTCGHSA enrichment
  14. 2026-08-17 13:47 UTCEPSS rescore
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 14:17 UTCEG score recompute
  17. 2026-08-16 14:17 UTCGHSA enrichment
  18. 2026-08-16 02:14 UTCEPSS rescore
  19. 2026-08-15 13:46 UTCEG score recompute
  20. 2026-08-15 13:46 UTCGHSA enrichment
  21. 2026-08-15 01:30 UTCEPSS rescore
  22. 2026-08-14 13:09 UTCEG score recompute
  23. 2026-08-14 13:09 UTCGHSA enrichment
  24. 2026-08-13 22:00 UTCEPSS rescore
  25. 2026-08-13 12:38 UTCEG score recompute
  26. 2026-08-13 12:38 UTCGHSA enrichment
  27. 2026-08-12 13:51 UTCEPSS rescore
  28. 2026-08-12 11:56 UTCEG score recompute
  29. 2026-08-12 11:56 UTCGHSA enrichment
  30. 2026-08-11 11:24 UTCEG score recompute
  31. 2026-08-11 11:24 UTCGHSA enrichment
  32. 2026-08-11 00:00 UTCEPSS rescore
  33. 2026-08-10 10:53 UTCEG score recompute
  34. 2026-08-10 10:53 UTCGHSA enrichment
  35. 2026-08-09 13:46 UTCEPSS rescore
  36. 2026-08-09 10:21 UTCEG score recompute
  37. 2026-08-09 10:21 UTCGHSA enrichment
  38. 2026-08-08 16:37 UTCEPSS rescore
  39. 2026-08-08 09:50 UTCEG score recompute
  40. 2026-08-08 09:50 UTCGHSA enrichment
  41. 2026-08-07 09:19 UTCEG score recompute
  42. 2026-08-07 09:19 UTCGHSA enrichment
  43. 2026-08-06 13:47 UTCEPSS rescore
  44. 2026-08-06 08:48 UTCEG score recompute
  45. 2026-08-06 08:48 UTCGHSA enrichment
  46. 2026-08-05 19:17 UTCEPSS rescore
  47. 2026-08-05 08:17 UTCEG score recompute
  48. 2026-08-05 08:17 UTCGHSA enrichment
  49. 2026-08-04 15:10 UTCEPSS rescore
  50. 2026-08-04 10:39 UTCEPSS rescore
  51. 2026-08-04 03:43 UTCEG score recompute
  52. 2026-08-04 03:43 UTCGHSA enrichment
  53. 2026-08-03 10:36 UTCEPSS rescore
  54. 2026-08-03 03:12 UTCGHSA enrichment
  55. 2026-08-02 02:40 UTCEG score recompute
  56. 2026-08-02 02:40 UTCGHSA enrichment
  57. 2026-08-02 02:27 UTCEPSS rescore
  58. 2026-08-01 04:16 UTCEPSS rescore
  59. 2026-08-01 02:09 UTCGHSA enrichment
  60. 2026-07-31 00:52 UTCEG score recompute
  61. 2026-07-31 00:52 UTCGHSA enrichment
  62. 2026-07-30 16:28 UTCEPSS rescore
  63. 2026-07-30 01:30 UTCEPSS rescore
  64. 2026-07-30 01:30 UTCEPSS rescore
  65. 2026-07-30 00:20 UTCGHSA enrichment
  66. 2026-07-28 20:44 UTCEG score recompute
  67. 2026-07-28 20:44 UTCGHSA enrichment
  68. 2026-07-28 15:37 UTCEPSS rescore
  69. 2026-07-27 17:09 UTCEG score recompute
  70. 2026-07-27 17:09 UTCGHSA enrichment
  71. 2026-07-27 14:14 UTCEPSS rescore
  72. 2026-07-26 14:54 UTCEPSS rescore
  73. 2026-07-26 14:54 UTCEPSS rescore
  74. 2026-07-26 14:36 UTCEG score recompute
  75. 2026-07-26 14:36 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-57323?
CVE-2026-57323 is a medium vulnerability published on June 26, 2026. Unauthenticated Broken Access Control in Flash & HTML5 Video <= 2.11.0 versions.
When was CVE-2026-57323 disclosed?
CVE-2026-57323 was first published in the National Vulnerability Database on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57323 actively exploited?
CVE-2026-57323 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 76.1% of all scored CVEs.
What is the CVSS score of CVE-2026-57323?
CVE-2026-57323 has a CVSS v3 base score of 5.8 (NVD).
How do I remediate CVE-2026-57323?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57323, 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.

Dependency Blast Radius

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