CVE-2021-25050: Remove Footer Credit < 1.0.11 - Admin+ Stored Cross-Site Scripting

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-02-14 · updated 2026-06-17
Weakness: CWE-79

Description

The Remove Footer Credit WordPress plugin before 1.0.11 does properly sanitise its settings, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed.

Affected products

Remove Footer Credit: before 1.0.11 — fixed in 1.0.11

How to fix

Upgrade to a fixed version: Remove Footer Credit 1.0.11. Check the vendor advisory for mitigations.

References

https://plugins.trac.wordpress.org/changeset/2655918
https://wpscan.com/vulnerability/25a28adb-794f-4bdb-89e8-060296b45b38
https://plugins.trac.wordpress.org/changeset/2655918
https://wpscan.com/vulnerability/25a28adb-794f-4bdb-89e8-060296b45b38

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