CVE-2025-11267

medium

Description

The VK All in One Expansion Unit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '_veu_custom_css' parameter in all versions up to, and including, 9.112.1. This is due to insufficient input sanitization and output escaping on the user-supplied Custom CSS value. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that execute whenever a user accesses an injected page.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/8996a0f0-8a49-4310-917b-62172c12afdb?source=cve

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3393317%40vk-all-in-one-expansion-unit%2Ftrunk&old=3385606%40vk-all-in-one-expansion-unit%2Ftrunk&sfp_email=&sfph_mail=

https://plugins.trac.wordpress.org/browser/vk-all-in-one-expansion-unit/tags/9.112.0.1/inc/css-customize/css-customize-single.php#L32

https://plugins.trac.wordpress.org/browser/vk-all-in-one-expansion-unit/tags/9.112.0.1/admin/class-veu-metabox.php#L178

Details

Source: Mitre, NVD

Published: 2025-11-18

Updated: 2026-04-15

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: 0.0003