CVE-2021-36899

MEDIUM 4.8CVE-2021-36899 · Published 11/10/2022 · updated 17/06/2026

In short

CVE-2021-36899 is a MEDIUM (CVSS 4.8) vulnerability affecting page speed booster project (asset cleanup).
Chance of exploitation in the next 30 days (EPSS): 0.60%, higher than 49.1% of all vulnerabilities.
Fix: update to 1.3.8.5 or later.

Package	Affected versions	Patched versions
page speed booster project asset_cleanup	`< 1.3.8.5`	`1.3.8.5`

Description

Authenticated (admin+) Reflected Cross-Site Scripting (XSS) vulnerability in Gabe Livan's Asset CleanUp: Page Speed Booster plugin <= 1.3.8.4 at WordPress.

References

patchstack.com/database/vulnerability/wp-asset-clean-up/wordpress-asset-cleanup-page-speed-booster-plugin-1-3-8-4-authenticated-reflected-cross-site-scripting-xss-vulnerability · Third Party Advisory
wordpress.org/plugins/wp-asset-clean-up · Product

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