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Fencer Vulns
medium 6.1

CVE-2021-24935 json

WP Google Fonts < 3.1.5 - Reflected Cross-Site Scripting

published 2021-12-06 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11847

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

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

Patch / fix

  • wp_google_fonts_project wp_google_fonts 3.1.5

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/53702281-1bd5-4828-b7a4-9f81cf0b6bb6 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • Unknown WP Google Fonts

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.