Medium severity · published Aug 14, 2025
CVE-2025-54699
WordPress Masteriyo - LMS Plugin plugin <= 1.18.3 - Cross Site Scripting (XSS) Vulnerability
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in masteriyo Masteriyo - LMS learning-management-system allows Stored XSS.This issue affects Masteriyo - LMS: from n/a through <= 1.18.3.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ML
Masteriyo - LMS · masteriyo
through 1.18.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-54699
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-54699
patchstack.com
https://patchstack.com/database/Wordpress/Plugin/learning-management-system/vulnerability/wordpress-masteriyo-lms-plugin-plugin-1-18-3-cross-site-scripting-xss-vulnerability?_s_id=cve
More from Masteriyo - LMS
9.8
CVE-2026-73996
WordPress Masteriyo - LMS plugin <= 2.3.2 - Arbitrary File Upload vulnerability
9.8
CVE-2024-24882
WordPress LMS by Masteriyo plugin <= 1.7.2 - Privilege Escalation vulnerability
8.8
CVE-2026-62107
WordPress Masteriyo - LMS plugin <= 3.4.0 - PHP Object Injection vulnerability
8.1
CVE-2024-43239
WordPress Masteriyo LMS plugin <= 1.11.4 - Insecure Direct Object Reference (IDOR) vulnerability
7.5
CVE-2024-43158
WordPress Masteriyo LMS plugin <= 1.11.4 - Broken Access Control vulnerability