CVE-2026-74992

Kirki < 6.2.3 - Editor+ Stored XSS via Font Zip Upload

The Kirki WordPress plugin before 6.2.3 does not properly validate the files contained in archives uploaded by users with the Editor role, and does not remove all unwanted files after extracting them, allowing such users to upload arbitrary files to a web accessible directory, leading to Stored XSS as well as RCE on some server configurations.

We have discovered 3,093 live websites that are affected by CVE-2026-74992.

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Affected Software

Product  Kirki Customizer Framework
Category Wordpress Plugins
Vulnerable Domains3,093 live websites (100% of Kirki Customizer Framework install base)
Vulnerable Versions
  • from 0 through 6.2.3
Vulnerable Versions Count20 versions ( 100% of all versions)


Common Weakness Enumeration

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')



Details

  • Published - Aug 20, 2026
  • Updated - Aug 20, 2026

Credits

  • Mohammed Abd Alrahman (finder)
  • WPScan (coordinator)

Website Distribution by Country

Number of websites using CVE-2026-74992
United States737 websites


Germany338 websites
France246 websites
Italy221 websites
Poland150 websites
GB113 websites
Spain100 websites
Russia85 websites
Netherlands71 websites
India60 websites

Website Distribution by TLD

Number of websites using CVE-2026-74992
.com1,413 websites
.de188 websites
.it129 websites
.pl110 websites
.fr93 websites
.org86 websites
.ru66 websites
.co.uk54 websites
.nl53 websites
.net47 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-74992

Top websites that are affected by CVE-2026-74992. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*******.com United States**,***
*******.com United States**,***
********.**.za South Africa***,***
********.nl Netherlands***,***
**********.be Belgium***,***
*******************.pl Poland***,***
**********.com China***,***
************************.org United States***,***
***********************.xn--p1ai Russia***,***
************.com Cyprus***,***
See full domain list

FAQ

CVE-2026-74992 is Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Kirki Customizer Framework
A total of 3,093 websites have been identified as vulnerable to CVE-2026-74992, based on global website indexing conducted by WebTechSurvey.
The Kirki Customizer Framework is affected by the CVE-2026-74992 vulnerability.
Kirki Customizer Framework versions up to 6.2.3 are vulnerable to CVE-2026-74992.
CVE-2026-74992 is resolved in version 6.2.3 of Kirki Customizer Framework.