vulnerability
WordPress Plugin: favicon-by-realfavicongenerator: CVE-2021-24437: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Jul 27, 2021 | May 15, 2025 | Apr 30, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Jul 27, 2021
Added
May 15, 2025
Modified
Apr 30, 2026
Description
The Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape one of its parameter before outputting it back in the response, leading to a Reflected Cross-Site Scripting (XSS) which is executed in the context of a logged administrator.
Solution
favicon-by-realfavicongenerator-plugin-cve-2021-24437
References
Rapid7 Labs
2026 Global Threat Landscape Report
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