CVE-2026-1275

medium

Description

The Multi Post Carousel by Category plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'slides' shortcode attribute in all versions up to, and including, 1.4. This is due to insufficient input sanitization and output escaping on the user-supplied 'slides' parameter in the post_slides_shortcode function. 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.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/b27ecbf7-e97d-42c0-98d4-c235edf40669?source=cve

https://plugins.trac.wordpress.org/browser/multi-post-carousel/trunk/multi-post-carousel.php#L174

https://plugins.trac.wordpress.org/browser/multi-post-carousel/tags/1.4/multi-post-carousel.php#L174

Details

Source: Mitre, NVD

Published: 2026-03-21

Updated: 2026-04-22

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.4

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00029