CVE-2021-24935: WP Google Fonts < 3.1.5 - Reflected Cross-Site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-12-06 · updated 2026-06-17
Weakness: CWE-79

Description

The WP Google Fonts WordPress plugin before 3.1.5 does not escape the googlefont_ajax_name and googlefont_ajax_family parameter of the googlefont_action AJAx action (available to any authenticated user) before outputing them in attributes, leading Reflected Cross-Site Scripting issues

Affected products

WP Google Fonts: before 3.1.5 — fixed in 3.1.5

How to fix

Upgrade to a fixed version: WP Google Fonts 3.1.5. Check the vendor advisory for mitigations.

References

https://plugins.trac.wordpress.org/changeset/2623659
https://wpscan.com/vulnerability/53702281-1bd5-4828-b7a4-9f81cf0b6bb6
https://plugins.trac.wordpress.org/changeset/2623659
https://wpscan.com/vulnerability/53702281-1bd5-4828-b7a4-9f81cf0b6bb6

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