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High severity · published Sep 25, 2026
CVE-2026-95864
Themify Builder <= 7.8.1 - Unauthenticated Stored Cross-Site Scripting via 'css[fonts]' Parameter
7.2
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TB
Themify Builder · themifyme
through 7.8.1 · source: vendor
Affected product
TB
Themify Builder
themifyme
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-95864
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-95864
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.8.1/classes/class-themify-builder-stylesheet.php#L160
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.8.1/classes/class-themify-builder-stylesheet.php#L317
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.8.1/classes/class-themify-builder-stylesheet.php#L514
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/themify-builder/tags/7.8.1/themify/class-themify-enqueue.php#L1757
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset?reponame=&old=3710320%40themify-builder&new=3710320%40themify-builder
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/fc021ee6-694a-426b-b399-8dd015fd99d2?source=cve
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