CVE-2022-2635: Autoptimize < 3.1.1 - Admin+ Stored Cross Site Scripting

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-09-16 · updated 2026-06-17
Weakness: CWE-79

Description

The Autoptimize WordPress plugin before 3.1.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Affected products

Autoptimize: before 3.1.1 — fixed in 3.1.1

How to fix

Upgrade to a fixed version: Autoptimize 3.1.1. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/219767a8-2427-42d5-8734-bd197d9ab46b
https://wpscan.com/vulnerability/219767a8-2427-42d5-8734-bd197d9ab46b

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