CVE-2021-24776: WP Performance Score Booster < 2.1 - Settings Change via CSRF

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-11-17 · updated 2026-06-17
Weakness: CWE-352

Description

The WP Performance Score Booster WordPress plugin before 2.1 does not have CSRF check when saving its settings, which could allow attackers to make a logged in admin change them via a CSRF attack.

Affected products

WP Performance Score Booster – Optimize Speed, Enable Cache & Page Preload: before 2.1 — fixed in 2.1

How to fix

Upgrade to a fixed version: WP Performance Score Booster – Optimize Speed, Enable Cache & Page Preload 2.1. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/a59ebab8-5df7-4093-b853-da9472f53508
https://wpscan.com/vulnerability/a59ebab8-5df7-4093-b853-da9472f53508

Get alerted when CVE-2021-24776 or the next vulnerability affects your stack