CVE-2025-69389
Published: 20 February 2026
Summary
CVE-2025-69389 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 Exploit Public-Facing Application (T1190); ranked at the 14.4th 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).
Deeper analysis
CVE-2025-69389 is an Improper Neutralization of Input During Web Page Generation vulnerability, enabling Reflected Cross-site Scripting (XSS) as classified under CWE-79. It affects the Visitor Maps Extended Referer Field WordPress plugin by Hugh Mungus, with the issue present in all versions from n/a through 1.2.6.
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). An unauthenticated attacker accessible over the network can exploit it with low attack complexity by tricking a user into performing an action, such as following a malicious link that injects a payload via the Referer field. Exploitation executes scripts in the victim's browser context, achieving low impacts on confidentiality, integrity, and availability with a changed scope.
The Patchstack advisory documents this Reflected XSS vulnerability in the WordPress plugin up to version 1.2.6 and provides related mitigation guidance.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-207610
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Hugh Mungus Visitor Maps Extended Referer Field visitor-maps-extended-referer-field allows Reflected XSS.This issue affects Visitor Maps Extended Referer Field: from n/a through <= 1.2.6.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS in public-facing WordPress plugin directly enables server-side input exploitation (T1190) delivered via crafted malicious links (T1566.002) that trigger user execution (T1204.001) to run scripts in browser context.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly requires validation and sanitization of untrusted input (Referer header) before it is used in web page generation, blocking the reflected XSS payload at its source.
Requires filtering or encoding of information output to web clients, ensuring any unneutralized Referer data cannot execute as script in the victim's browser.
Provides malicious-code detection and blocking mechanisms that can identify and stop reflected XSS attempts delivered via crafted links.