CVE-2026-96531mediumCWE-79

CVE-2026-96531: medium-severity vulnerability in Optimole

Optimole 4.0.0 - 4.2.12 - Author+ Stored XSS via Video Player Block

Published

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 6.8epss 0.3%
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:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Affected products
Unknown · Optimole
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Optimole

In the same product, most dangerous first.

CVE-2026-84829HIGHOptimole < 4.2.12 - Unauthenticated Stored XSS via Srcset Descriptor ParameterEPSS 0.5%CVE-2026-96530MEDIUMOptimole 4.0.0 - 4.2.14 - Subscriber+ Sensitive Data Disclosure via Dashboard WidgetEPSS 0.2%