CVE-2025-27278
Published: 03 March 2025
Summary
CVE-2025-27278 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 43.0th 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-2025-27278 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the AcuGIS Leaflet Maps WordPress plugin (mapfig-premium-leaflet-map-maker) developed by David Ghedini. The issue affects all versions from n/a through 5.1.1.0 and was published on 2025-03-03.
The vulnerability has 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 exploitation is possible by unauthenticated attackers over the network with low attack complexity, though it requires user interaction such as clicking a malicious link. Successful exploitation enables reflected XSS, allowing attackers to inject and execute arbitrary scripts in the context of the victim's browser, with low impacts on confidentiality, integrity, and availability within a changed scope.
Advisories, including the Patchstack database entry at https://patchstack.com/database/Wordpress/Plugin/mapfig-premium-leaflet-map-maker/vulnerability/wordpress-acugis-leaflet-maps-plugin-5-1-1-0-multiple-cross-site-scripting-xss-vulnerabilities?_s_id=cve, document the vulnerability and provide details on affected WordPress plugin versions for mitigation guidance.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-5599
Vulnerability details
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in David Ghedini AcuGIS Leaflet Maps mapfig-premium-leaflet-map-maker allows Reflected XSS.This issue affects AcuGIS Leaflet Maps: from n/a through <= 5.1.1.0.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS is directly exploited via malicious links (T1204.001) to inject and execute arbitrary JavaScript (T1059.007) in the victim's browser.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Flaw Remediation directly mitigates this CVE by identifying, patching, and deploying fixes for the improper input neutralization in the vulnerable AcuGIS Leaflet Maps WordPress plugin versions <=5.1.1.0.
Information Output Filtering prevents reflected XSS by encoding or filtering user inputs before inclusion in dynamically generated web pages, addressing the core neutralization failure.
Information Input Validation rejects or sanitizes malicious inputs containing XSS payloads before they are reflected in web page generation.