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CVE-2026-12037: Asset CleanUp: Page Speed Booster <= 1.4.0.5 - Authenticated (Administrator+) Server-Side Request Forgery via 'page_url' Parameter

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-25 · updated 2026-09-25
• Weakness: CWE-918

Description

The Asset CleanUp: Page Speed Booster plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.4.0.5 via the 'page_url' parameter. This makes it possible for authenticated attackers, with administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services. This vulnerability is only reachable when the plugin's dom_get_type setting has been configured to 'wp_remote_post' by an administrator.

Affected products

• gabelivan Asset CleanUp: Page Speed Booster: through 1.4.0.5

References

• https://plugins.trac.wordpress.org/browser/wp-asset-clean-up/tags/1.4.0.3/classes/Admin/MainAdmin.php#L1067
• https://plugins.trac.wordpress.org/browser/wp-asset-clean-up/tags/1.4.0.3/classes/Admin/MainAdmin.php#L1095
• https://plugins.trac.wordpress.org/browser/wp-asset-clean-up/tags/1.4.0.3/classes/Admin/MainAdmin.php#L315
• https://plugins.trac.wordpress.org/browser/wp-asset-clean-up/tags/1.4.0.4/classes/Admin/MainAdmin.php#L1067
• https://plugins.trac.wordpress.org/browser/wp-asset-clean-up/tags/1.4.0.4/classes/Admin/MainAdmin.php#L1095
• https://plugins.trac.wordpress.org/browser/wp-asset-clean-up/tags/1.4.0.4/classes/Admin/MainAdmin.php#L315
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3699024%40wp-asset-clean-up&new=3699024%40wp-asset-clean-up
• https://www.wordfence.com/threat-intel/vulnerabilities/id/af1e638d-9fc8-4584-a138-8d6316fbfcad?source=cve

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