PT-2025-49346 · WordPress · Extra Post Images

Published 2025-12-06 · Updated 2025-12-06 · CVE-2025-13856

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 Extra Post Images plugin for WordPress versions prior to 1.0

Description The Extra Post Images plugin for WordPress is susceptible to Stored Cross-Site Scripting. This is due to insufficient input sanitization and output escaping in the id parameter of the extra-images shortcode. 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 Extra Post Images plugin to a version newer than 1.0.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-13856

Affected Products

Extra Post Images

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2025-13856 · Security Note
• https://plugins.trac.wordpress.org/browser/extra-post-images/tags/1.0/epi.php#L101 · Note
• https://t.me/CVEtracker/38989 · Telegram Post
• https://plugins.trac.wordpress.org/browser/extra-post-images/trunk/epi.php#L92 · Note
• https://plugins.trac.wordpress.org/browser/extra-post-images/tags/1.0/epi.php#L92 · Note
• https://twitter.com/VulmonFeeds/status/1997207172090827004 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/c5fbb963-f89d-4037-9456-8587bcf5d620?source=cve · Note
• https://twitter.com/CVEnew/status/1997189873573195841 · Twitter Post