10Web Booster <= 2.24.14 - Unauthenticated Arbitrary Option Deletion

Authorization Bypass Through User-Controlled Key
CVE CVE-2023-5559
CVSS 6.5 (Medium)
Publicly Published October 29, 2023
Last Updated November 28, 2023
Researcher Krzysztof Zając


The 10Web Booster – Website speed optimization, Cache & Page Speed optimizer plugin for WordPress is vulnerable to unauthorized loss of data due to insufficient validation on the option value being supplied to the two_init_flow_score and the two_init_flow_score functions hooked via nopriv AJAX in all versions up to, and including, 2.24.14. This makes it possible for unauthenticated attackers to delete arbitrary option values from the site.

Wordfence blocked 64 attacks targeting this vulnerability in the past 24 hours.



1 affected software package

Software Type Plugin
Software Slug tenweb-speed-optimizer (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.24.18, or a newer patched version
Affected Version
  • <= 2.24.14
Patched Version
  • 2.24.18

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