WordPress security changelog
MEDIUM CVE-2021-24378 Modified

Autoptimize: A security weakness

Autoptimize is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

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
Jun 21, 2021
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Jun 21, 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 2.7.8 does not check for malicious files such as .html in the archive uploaded via the 'Import Settings' feature. As a result, it is possible for a high privilege user to upload a malicious file containing JavaScript code inside an archive which will execute when a victim visits index.html inside the plugin directory.

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