WordPress security changelog
MEDIUM CVE-2021-24332 Modified

Autoptimize: Cross-site scripting

Autoptimize is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 4.8 CVSS · contact@wpscan.com
NVD score 4.8 CVSS 3.1 · nvd@nist.gov
Component
Autoptimize
Plugin slug
autoptimize
Affected
See vendor advisory
Safe version
See mitigation notes
Published
May 24, 2021
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published May 24, 2021 and is one of 11 known issues for this plugin.

Update, patch or deactivate.

Update Autoptimize to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Autoptimize WordPress plugin before 2.8.4 was missing proper escaping and sanitisation in some of its settings, allowing high privilege users to set XSS payloads in them, leading to stored Cross-Site Scripting issues

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

Primary and upstream sources