PT-2021-15965 · WordPress · The Favicon By Realfavicongenerator

Renniepak · Published 2021-08-30 · Updated 2021-09-02 · CVE-2021-24437

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions The Favicon by RealFaviconGenerator WordPress plugin versions 1.3.20 and earlier

Description The issue is related to a Reflected Cross-Site Scripting (XSS) that occurs because one of the plugin's parameters is not properly sanitised or escaped before being outputted in the response. This XSS is executed in the context of a logged administrator.

Recommendations For versions 1.3.20 and earlier, update to a version later than 1.3.20 to resolve the issue. As a temporary workaround, consider restricting access to the plugin's settings to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-24437

Affected Products

The Favicon By Realfavicongenerator

References · 4

• 🔥 https://wpscan.com/vulnerability/ed9d26be-cc96-4274-a05b-0b7ad9d8cfd9 · Exploit
• https://osv.dev/vulnerability/CVE-2021-24437 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-24437 · Security Note
• https://t.me/cibsecurity/28002 · Telegram Post