PT-2026-26823 · WordPress · Any Post Slider

Djaidja Moundjid · Published 2026-03-21 · Updated 2026-03-21 · CVE-2026-1899

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 Any Post Slider plugin for WordPress versions up to and including 1.0.4

Description The Any Post Slider plugin for WordPress is susceptible to Stored Cross-Site Scripting through the aps slider shortcode. Insufficient input sanitization and output escaping on the post type attribute allows authenticated attackers with Contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the affected page.

Recommendations Update the Any Post Slider plugin to a version newer than 1.0.4.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-1899

Affected Products

Any Post Slider

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-1899 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/562f194f-1f32-4de4-8074-84580f653bdb?source=cve · Note
• https://plugins.trac.wordpress.org/browser/any-post-slider/trunk/public/partials/any-post-slider-no_content.php#L3 · Note
• https://plugins.trac.wordpress.org/browser/any-post-slider/tags/1.0.4/public/partials/any-post-slider-no_content.php#L3 · Note
• https://twitter.com/CVEnew/status/2035237280903045315 · Twitter Post
• https://wordpress.org/plugins/any-post-slider · Note