CVE-2026-96531

MEDIUMPre-NVD 6.86.8—
EchelonGraph scoreHIGH confidence

Score 6.8 from GitHub Security Advisory published 2026-09-26. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
6.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 6.8Exploit: None knownExposed services: Not assessed

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

The Optimole WordPress plugin before 4.2.13 does not escape unrecognized attributes of its video-player block before rendering them onto the block's wrapper element, allowing users with the Author role and above to store an event-handler attribute that executes scripts in the browser of any user, such as an administrator, who views the post.

CVSS v3
6.8
EG Score
6.8MEDIUMhigh confidence
EG Risk
31
EG Risk 31/100CISA SSVC

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
Severity68% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.2%
EPSS %ILE
13th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* 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, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 26, 2026

Last Modified

September 28, 2026

Advisory Details (1)

Auto-updated Sep 26, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Optimole 4.0.0 – 4.2.12 – Author+ Stored XSS via Video Player Block | CVE 2026-96531 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/15ad5748-8c2b-4c60-9818-57790f7033c7/

Vendor Advisories for CVE-2026-96531(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 23× in last 7d / 31× 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. 2026-10-04 06:48 UTCEG score recompute
  2. 2026-10-04 06:48 UTCGHSA enrichment
  3. 2026-10-03 14:26 UTCEPSS rescore
  4. 2026-10-03 08:16 UTCEG score recompute
  5. 2026-10-03 08:16 UTCGHSA enrichment
  6. 2026-10-02 17:57 UTCEPSS rescore
  7. 2026-10-02 09:39 UTCEG score recompute
  8. 2026-10-02 09:39 UTCGHSA enrichment
  9. 2026-10-01 19:51 UTCEPSS rescore
  10. 2026-10-01 11:08 UTCEG score recompute
  11. 2026-10-01 11:08 UTCGHSA enrichment
  12. 2026-09-30 15:04 UTCEPSS rescore
  13. 2026-09-30 12:33 UTCEG score recompute
  14. 2026-09-30 12:33 UTCGHSA enrichment
  15. 2026-09-29 14:01 UTCEG score recompute
  16. 2026-09-29 14:01 UTCGHSA enrichment
  17. 2026-09-28 15:30 UTCEG score recompute
  18. 2026-09-28 15:30 UTCGHSA enrichment
  19. 2026-09-28 13:52 UTCEPSS rescore
  20. 2026-09-28 13:52 UTCEPSS rescore
  21. 2026-09-27 21:58 UTCEG score recompute
  22. 2026-09-27 21:58 UTCGHSA enrichment
  23. 2026-09-27 13:49 UTCEPSS rescore
  24. 2026-09-26 23:26 UTCGHSA enrichment
  25. 2026-09-26 22:49 UTCEG score recompute▲ 6.80
Show 6 more
  1. 2026-09-26 22:49 UTCGHSA enrichment
  2. 2026-09-26 22:49 UTCMITRE cvelistV5CVSS v3 → 6.8 · severity → MEDIUM
  3. 2026-09-26 15:59 UTCEPSS rescore
  4. 2026-09-26 07:21 UTCNVD update
  5. 2026-09-26 06:26 UTCEG score recompute
  6. 2026-09-26 06:25 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-96531?
CVE-2026-96531 is a medium vulnerability published on September 26, 2026. The Optimole WordPress plugin before 4.2.13 does not escape unrecognized attributes of its video-player block before rendering them onto the block's wrapper element, allowing users with the Author role and above to store an event-handler attribute that executes scripts in the browser of any user,…
When was CVE-2026-96531 disclosed?
CVE-2026-96531 was first published on September 26, 2026, with the most recent update on September 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-96531 actively exploited?
CVE-2026-96531 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (13th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-96531?
CVE-2026-96531 has a CVSS v3.1 base score of 6.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-96531?
No fix for CVE-2026-96531 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 vendor advisories EchelonGraph has for CVE-2026-96531 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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