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Vulnerability record · CVE-2026-95864 · published 25 September 2026

CVE-2026-95864: Cross-site scripting vulnerability

The Themify Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'css[fonts]' Parameter in all versions up to, and including, 7.8.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The nonce required to reach the vulnerable endpoint is embedded in plain sight within the front-end page markup for all visitors, reducing the access control to a CSRF token rather than an authentication barrier and making the endpoint fully exploitable by unauthenticated attackers.

7.2 CVSS 3.1 High EPSS 0.27% · top 82.5% CWE-79 · Cross-site scripting Deferred
7.2CVSS 3.1 base score
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
25 Sep 2026Last modified by NVD

Description

The Themify Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'css[fonts]' Parameter in all versions up to, and including, 7.8.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The nonce required to reach the vulnerable endpoint is embedded in plain sight within the front-end page markup for all visitors, reducing the access control to a CSRF token rather than an authentication barrier and making the endpoint fully exploitable by unauthenticated attackers.

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

References

LinkTags
https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.8.1/classes/class-themify-builder-stylesheet.php#L160
https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.8.1/classes/class-themify-builder-stylesheet.php#L317
https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.8.1/classes/class-themify-builder-stylesheet.php#L514
https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.8.1/themify/class-themify-enqueue.php#L1757
https://plugins.trac.wordpress.org/changeset?reponame=&old=3710320%40themify-builder&new=3710320%40themify-builder
https://www.wordfence.com/threat-intel/vulnerabilities/id/fc021ee6-694a-426b-b399-8dd015fd99d2?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-95864), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.