CVE-2026-84829
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Optimole
PublishedSep 16, 2026
First seenSep 16, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- Optimole4.2.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Optimole | 4.2.3 ≤ v < 4.2.12 | 4.2.12 |
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