PT-2025-43045 · WordPress · Wordpress+1

Zakaria · Published 2025-10-22 · Updated 2025-10-22 · CVE-2025-11819

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 WP-Thumbnail versions up to and including 1.1

Description The WP-Thumbnail plugin for WordPress is susceptible to Stored Cross-Site Scripting through the roboshot shortcode. This is caused by inadequate input sanitization and output escaping of user-provided attributes. Authenticated attackers with contributor-level access or higher can inject malicious web scripts into pages. These scripts will execute each time a user views the affected page.

Recommendations Update WP-Thumbnail to a version newer than 1.1.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-11819

Affected Products

Wp-Thumbnail

Wordpress

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2025-11819 · Security Note
• https://t.me/cveNotify/139820 · Telegram Post
• https://t.me/CVEtracker/35472 · Telegram Post
• https://wordfence.com/threat-intel/vulnerabilities/id/9c641d50-51ac-47ca-beaf-3e79f436e091?source=cve · Note
• https://wordpress.org/plugins/wp-thumbnail · Note
• https://plugins.trac.wordpress.org/browser/wp-thumbnail/tags/1.1/wp-thumbnail.php#L67 · Note