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.

References

https://wpscan.com/vulnerability/c8489eb1-e767-4b19-a7c0-124eab843d9e/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-80191

Details

Source: Mitre, NVD

Published: 2026-09-16

Updated: 2026-09-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00505