PT-2026-54973 · Lms · Lms

João Pedro S Alcântara + 1 · CVE-2026-27404 · Published 2026-07-02 · Updated 2026-07-09

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions LMS versions prior to 9.8

Description An unauthenticated Cross Site Scripting (XSS) issue exists, allowing an attacker to execute malicious scripts in the victim's browser without requiring authentication.

Recommendations Update to a version newer than 9.7.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-27404

Affected Products

Lms

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-27404 · Security Note
• https://twitter.com/DFIR_Lab/status/2073231656668852383 · Twitter Post
• https://patchstack.com/database/wordpress/theme/lms/vulnerability/wordpress-lms-theme-9-7-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://reddit.com/r/StopBadBots/comments/1us1z36/wordpress_cyber_apocalypse_88_unpatched_flaws · Reddit Post