CVE-2026-84829Optimole < 4.2.12 - Unauthenticated Stored XSS via Srcset Descriptor Parameter
Updated under an hour ago ()
Does this affect you?
It affects Unknown Optimole. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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The Optimole WordPress plugin before 4.2.12 does not properly escape a user supplied value before using it to build an image tag attribute, allowing unauthenticated users to inject arbitrary attributes into pages served to every visitor, which leads to Stored Cross-Site Scripting.
- CVSS
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- WPScan
- NVD analysis
- Deferred
- Record last updated
- Sep 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown Optimole unknown:optimole (from the name) | from 4.2.3 before 4.2.12 | CNA record |
References
- https://wpscan.com/vulnerability/c8489eb1-e767-4b19-a7c0-124eab843d9e/exploit, vdb-entry, technical-description
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.