Cyber Resilience

CVE-2025-27321

High

Published: 24 February 2025

Published
24 February 2025
Modified
23 April 2026
KEV Added
—
Patch
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CVSS Score v3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS Score 0.0015 35.5th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-27321 is a high-severity CSRF (CWE-352) 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 35.5th 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 SC-23 (Session Authenticity) and SI-10 (Information Input Validation).

Deeper analysis

CVE-2025-27321 is a Cross-Site Request Forgery (CSRF) vulnerability in the Blighty Explorer WordPress plugin (blighty-explorer) that enables Stored Cross-Site Scripting (XSS). This issue affects all versions from n/a through 2.3.0 and is classified under CWE-352.

The vulnerability can be exploited remotely by unauthenticated attackers (PR:N) with low attack complexity (AC:L), though it requires user interaction (UI:R). Exploitation occurs over the network (AV:N) and changes scope (S:C), potentially resulting in low impacts to confidentiality, integrity, and availability (C:L/I:L/A:L), as reflected in its CVSS v3.1 base score of 7.1. Attackers can leverage the CSRF to inject and store malicious scripts via XSS.

The Patchstack advisory provides details on this WordPress plugin vulnerability at https://patchstack.com/database/Wordpress/Plugin/blighty-explorer/vulnerability/wordpress-blightly-explorer-plugin-2-3-0-csrf-to-stored-xss-vulnerability?_s_id=cve.

EU & UK References

Vulnerability details

Cross-Site Request Forgery (CSRF) vulnerability in Blighty Blightly Explorer blighty-explorer allows Stored XSS.This issue affects Blightly Explorer: from n/a through <= 2.3.0.

CWE(s)
CWE-352

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1059.007 JavaScript Execution
Adversaries may abuse various implementations of JavaScript for execution.
attack.mitre.org →
Why these techniques?

CSRF to stored XSS in public-facing WordPress plugin directly enables T1190 (Exploit Public-Facing Application) and T1059.007 (JavaScript execution via malicious script injection).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-28931Shared CWE-352
CVE-2025-23980Shared CWE-352
CVE-2025-23710Shared CWE-352
CVE-2025-23822Shared CWE-352
CVE-2025-25128Shared CWE-352
CVE-2025-31616Shared CWE-352
CVE-2025-23483Shared CWE-352
CVE-2025-23817Shared CWE-352
CVE-2025-23446Shared CWE-352
CVE-2025-23664Shared CWE-352

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SC-23 Session Authenticity good match
prevent

SC-23 mandates session authenticity mechanisms like anti-CSRF tokens, directly preventing unauthorized cross-site requests that exploit this vulnerability to inject stored XSS payloads.

SI-10 Information Input Validation good match
prevent

SI-10 enforces validation of information inputs, blocking malicious scripts from being stored via the CSRF vector in the WordPress plugin.

SI-15 Information Output Filtering good match
prevent

SI-15 requires output filtering and encoding, preventing execution of any stored XSS payloads injected through the CSRF vulnerability.

References