CVE-2026-96531: unknown optimole Cross-site Scripting
Vulnerability summary
CVE-2026-96531 is a medium (CVSS 6.8) Cross-site Scripting vulnerability in unknown optimole. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.6% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 4.2.13.
Timeline
- 26-09-2026PublishedVulnerability first disclosed.
- 26-09-2026Last modifiedVulnerability information updated.
Description
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 metrics
3 scores · 3 sources · 1 version- NVDNIST6.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
- wordfenceSource6.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- optimole≥ 4.0.0, < 4.2.13
Wordpress1 product
- optimole-wp≥ 4.0.0, ≤ 4.2.12 (fixed in 4.2.13)
2 vendors · 2 products