PT-2026-43512 · Eldougo · Tuxquote

Nail Majdeddine · Published 2026-05-27 · Updated 2026-06-04 · CVE-2026-8846

NVD

CVSS v3.1

6.4

Medium

Base vector

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

The Tuxquote plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'TUXQUOTE' shortcode in versions up to, and including, 1.3. This is due to insufficient input sanitization and output escaping on user supplied attributes ('title', 'align', and 'width') in the tuxquote build format() function, which are concatenated into the rendered HTML without being passed through esc attr() or esc html(). This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-8846

Affected Products

Tuxquote

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-8846 · Security Note
• https://reddit.com/r/StopBadBots/comments/1twww49/insane_record_145_wordpress_plugins_exposed_with · Reddit Post
• https://plugins.trac.wordpress.org/browser/tuxquote/tags/1.3/tuxquote.php#L81 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/7ea6079f-45a1-438f-890f-36457b7468ec?source=cve · Note
• https://plugins.trac.wordpress.org/browser/tuxquote/tags/1.3/tuxquote.php#L91 · Note