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CVE-2026-18510

HIGH 7.2 CVSS 3.1
Published
August 6, 2026
Last modified
August 12, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Description

The TranslatePress – Translate Multilingual sites with AI Translation plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content (URL-encoded gettext markers) in all versions up to, and including, 3.2.6 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. Comment moderation may delay exploitation for first-time commenters, but does not prevent it, as the payload uses only WordPress-permitted tags and attributes with percent-encoded characters that pass wp_kses URL validation unmodified.

Affected WordPress components

  • TranslatePress – Translate Multilingual sites with AI Translation Plugin · translatepress-multilingual
    Confirmed match Active
    Up to and including 3.2.6
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • cozmoslabs TranslatePress – Translate Multilingual sites with AI Translation — Up to and including 3.2.6

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.2.6/includes/class-translation-render.php#L1232
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.2.6/includes/class-translation-render.php#L1314
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/translatepress-multilingual/tags/3.2.6/includes/class-translation-render.php#L1575
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3634273/translatepress-multilingual/trunk/includes/class-translation-render.php
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?old_path=%2Ftranslatepress-multilingual/tags/3.2.6&new_path=%2Ftranslatepress-multilingual/tags/3.3
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&new=3634273%40translatepress-multilingual%2Ftags%2F3.3&old=3624567%40translatepress-multilingual%2Ftags%2F3.2.6
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/ca97a718-7508-4bc0-8f8e-7849eb9a0dc0?source=cve
  • nvd.nist.gov Official NVD record