CVE-2025-28921
Published: 26 March 2025
Summary
CVE-2025-28921 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 43.9th 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-2025-28921 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 SpatialMatch IDX WordPress plugin (spatialmatch-free-lifestyle-search) from homejunction, impacting versions from n/a through 3.0.9 inclusive.
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 network accessibility with low attack complexity, no required privileges, but necessitating user interaction. Remote attackers can exploit it by tricking users into interacting with malicious input, such as via a crafted link or payload reflected in the web page, achieving low impacts on confidentiality, integrity, and availability within a changed scope.
The Patchstack advisory provides further details on the vulnerability in the WordPress SpatialMatch IDX plugin version 3.0.9, including mitigation guidance, accessible at https://patchstack.com/database/Wordpress/Plugin/spatialmatch-free-lifestyle-search/vulnerability/wordpress-spatialmatch-idx-plugin-3-0-9-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-8141
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in homejunction SpatialMatch IDX spatialmatch-free-lifestyle-search allows Reflected XSS.This issue affects SpatialMatch IDX: from n/a through <= 3.0.9.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The reflected XSS vulnerability is directly exploited via crafted malicious links that require user interaction to reflect and execute arbitrary JavaScript in the victim's browser, mapping to malicious link delivery and spearphishing link techniques.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly addresses the CVE by requiring timely remediation of the specific reflected XSS flaw in the SpatialMatch IDX plugin through patching to versions beyond 3.0.9.
Prevents reflected XSS by enforcing output filtering and encoding of untrusted inputs during web page generation in the vulnerable plugin.
Mitigates the improper neutralization vulnerability by validating all user inputs to block malicious XSS payloads before processing in the web application.