Cyber Resilience

CVE-2025-26582

High

Published: 13 February 2025

Published
13 February 2025
Modified
23 April 2026
KEV Added
—
Patch
—
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 0.0010 26.5th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-26582 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 26.5th 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-2025-26582 is a Cross-Site Request Forgery (CSRF) vulnerability, classified under CWE-352, in the WordPress plugin TinyMCE Advanced qTranslate fix editor problems (plugin slug: tinymce-advanced-qtranslate-fix-editor-problems). This flaw enables Stored XSS and affects all versions from n/a through 1.0.0. The vulnerability was published on 2025-02-13 with 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).

Unauthenticated attackers can exploit this vulnerability remotely with low attack complexity by tricking targeted users—typically authenticated WordPress editors or administrators—into interacting with a malicious webpage or link (UI:R). This user interaction submits a forged CSRF request that stores an XSS payload on the site, achieving a scope change with low impacts on confidentiality, integrity, and availability.

The Patchstack advisory provides further details on this CSRF-to-Stored XSS vulnerability in the plugin version 1.0.0: https://patchstack.com/database/Wordpress/Plugin/tinymce-advanced-qtranslate-fix-editor-problems/vulnerability/wordpress-tinymce-advanced-qtranslate-fix-editor-problems-plugin-1-0-0-csrf-to-stored-xss-vulnerability?_s_id=cve.

EU & UK References

Vulnerability details

Cross-Site Request Forgery (CSRF) vulnerability in Blackbam TinyMCE Advanced qTranslate fix editor problems tinymce-advanced-qtranslate-fix-editor-problems allows Stored XSS.This issue affects TinyMCE Advanced qTranslate fix editor problems: from n/a through <= 1.0.0.

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 exploitation of public-facing applications (T1190) and arbitrary JavaScript execution in victim browsers (T1059.007).

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 enforces session authenticity mechanisms like anti-CSRF tokens, directly preventing forged requests that store XSS payloads in this CSRF vulnerability.

SI-10 Information Input Validation good match
prevent

SI-10 requires validation of information inputs, preventing the storage of malicious XSS payloads submitted via the CSRF attack.

SI-2 Flaw Remediation good match
prevent

SI-2 mandates timely flaw remediation, directly addressing this specific plugin vulnerability through patching affected versions <=1.0.0.

References