CVE-2021-24437

Favicon by RealFaviconGenerator <= 1.3.21 - Reflected Cross-Site Scripting

mediumImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

6.1

CVSS Score

6.1

CVSS Score

medium

Severity

1.3.21

Patched in

910d

Time to patch

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.

CVSS Vector Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Low

Confidentiality

Low

Integrity

None

Availability

Technical Details

Affected versions<1.3.21

PublishedJuly 27, 2021

Last updatedJanuary 22, 2024

Affected pluginfavicon-by-realfavicongenerator

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/b14cada2-5d04-47a1-b648-048fcbabd2b5?source=api-prod

Check if your site is affected.

Run a free security audit to detect vulnerable plugins, outdated versions, and misconfigurations.

Run free audit Browse CVE database