CVE-2025-28899
Published: 26 March 2025
Summary
CVE-2025-28899 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Malicious Link (T1204.001); ranked at the 45.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
SI-10 directly requires input validation to neutralize untrusted inputs like those exploited in this reflected XSS vulnerability before they are processed or reflected in web pages.
SI-15 mandates output filtering and encoding to prevent reflected malicious scripts from executing in the victim's browser context.
SI-2 ensures timely remediation of flaws such as this specific XSS vulnerability in the WP Event Ticketing plugin through patching.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS allows arbitrary JavaScript execution in the victim's browser when a malicious link is clicked, directly facilitating user execution via malicious links and browser session hijacking.
NVD Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in toddhuish WP Event Ticketing wpeventticketing allows Reflected XSS.This issue affects WP Event Ticketing: from n/a through <= 1.3.4.
Deeper analysisAI
CVE-2025-28899 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as CWE-79, enabling Reflected Cross-site Scripting (XSS) in the WP Event Ticketing plugin (wpeventticketing) developed by toddhuish for WordPress. This issue affects all versions of the plugin from n/a through 1.3.4, as published on 2025-03-26.
The vulnerability carries a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L), indicating it is exploitable over the network with low attack complexity, no required privileges, and user interaction such as clicking a malicious link. Remote attackers can deliver payloads via reflected inputs, achieving low impacts on confidentiality, integrity, and availability with a changed scope, typically allowing execution of arbitrary JavaScript in the victim's browser context.
Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/wpeventticketing/vulnerability/wordpress-wp-event-ticketing-plugin-1-3-4-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.
Details
- CWE(s)