PT-2026-7500 · WordPress · Wordpress Html Tag Shortcodes

Zakaria · CVE-2026-1809 · Published 2026-02-11 · Updated 2026-02-11

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions WordPress HTML Tag Shortcodes plugin versions up to and including 1.1

Description The HTML Tag Shortcodes plugin for WordPress is susceptible to Stored Cross-Site Scripting. This is due to inadequate input sanitization and output escaping on user-supplied attributes within the plugin’s shortcodes. Authenticated attackers with contributor-level access or higher can inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page.

Recommendations Update the WordPress HTML Tag Shortcodes plugin to a version later than 1.1.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-1809

Affected Products

Wordpress Html Tag Shortcodes

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-1809 · Security Note
• https://plugins.trac.wordpress.org/browser/html-shortcodes/tags/1.1/html_shortcode.php#L100 · Note
• https://plugins.trac.wordpress.org/browser/html-shortcodes/trunk/html_shortcode.php#L100 · Note
• https://t.me/CVEtracker/44397 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2021524015534268695 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/846ccac2-ad56-4128-836d-2807c700c3fc?source=cve · Note
• https://plugins.trac.wordpress.org/browser/html-shortcodes/tags/1.1/html_shortcode.php#L88 · Note
• https://plugins.trac.wordpress.org/browser/html-shortcodes/trunk/html_shortcode.php#L88 · Note