CVE-2026-84829 Optimole WordPress - Stored Cross-Site Scripting

Optimole WordPress plugin < 4.2.12 contains a stored XSS caused by improper escaping of user-supplied values in image tag attributes, letting unauthenticated attackers inject arbitrary attributes, exploit requires no authentication.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.51% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Stored Cross-Site Scripting
Impact
Stored XSS
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to version 4.2.12 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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