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Vulnerability record · CVE-2026-76053 · published 28 August 2026

CVE-2026-76053: Cross-site scripting vulnerability

The TranslatePress – Translate Multilingual sites with AI Translation plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Noise-Key Injection into HTML Parser in all versions up to, and including, 3.3.3 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. Exploitation is possible because WordPress's comment KSES allowlist permits the payload structure — an anchor tag with href and title attributes alongside a code tag — causing the malicious comment to be stored verbatim in the database, where it is later processed by the vulnerable parser during page translation.

7.2 CVSS 3.1 High EPSS 0.53% · top 57.7% CWE-79 · Cross-site scripting Deferred
7.2CVSS 3.1 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
15References
28 Aug 2026Last modified by NVD

Description

The TranslatePress – Translate Multilingual sites with AI Translation plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Noise-Key Injection into HTML Parser in all versions up to, and including, 3.3.3 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. Exploitation is possible because WordPress's comment KSES allowlist permits the payload structure — an anchor tag with href and title attributes alongside a code tag — causing the malicious comment to be stored verbatim in the database, where it is later processed by the vulnerable parser during page translation.

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/translatepress-multilingual/tags/3.3.1/assets/lib/simplehtmldom/simple_html_d
https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.3.1/assets/lib/simplehtmldom/simple_html_d
https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.3.1/assets/lib/simplehtmldom/simple_html_d
https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.3.1/assets/lib/simplehtmldom/simple_html_d
https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.3.1/includes/class-translation-render.php#
https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.3.1/includes/class-translation-render.php#
https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.3.2/assets/lib/simplehtmldom/simple_html_d
https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.3.2/assets/lib/simplehtmldom/simple_html_d
https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.3.2/assets/lib/simplehtmldom/simple_html_d
https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.3.2/assets/lib/simplehtmldom/simple_html_d
https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.3.2/includes/class-translation-render.php#
https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.3.2/includes/class-translation-render.php#
https://plugins.trac.wordpress.org/changeset/3665013/translatepress-multilingual/trunk/assets/lib/simplehtmldom/simple_h
https://plugins.trac.wordpress.org/changeset?old_path=%2Ftranslatepress-multilingual/tags/3.3.3&new_path=%2Ftranslatepre
https://www.wordfence.com/threat-intel/vulnerabilities/id/990e04ed-ff17-4e10-9224-64a674a40416?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-76053), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.