Cyber Posture

CVE-2025-26584

High

Published: 26 March 2025

Published
26 March 2025
Modified
23 April 2026
KEV Added
Patch
CVSS Score 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS Score 0.0019 40.5th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Description

An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.

Security Summary

CVE-2025-26584 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the TBTestimonials WordPress plugin (tb-testimonials) developed by Travis Ballard. This issue affects all versions of the plugin from n/a through 1.7.3 inclusive. The vulnerability was published on 2025-03-26 and 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).

Attackers can exploit this vulnerability remotely over the network with low attack complexity and no required privileges, though it demands user interaction such as clicking a malicious link. Exploitation enables limited impacts on confidentiality, integrity, and availability within a changed scope, potentially allowing attackers to inject and execute arbitrary scripts in the context of a victim's browser session.

The Patchstack advisory provides further details on the vulnerability, including mitigation guidance, at https://patchstack.com/database/Wordpress/Plugin/tb-testimonials/vulnerability/wordpress-tbtestimonials-plugin-1-7-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.

Details

CWE(s)
CWE-79

MITRE ATT&CK Enterprise Techniques

T1204.001 Malicious Link Execution
An adversary may rely upon a user clicking a malicious link in order to gain execution.
T1539 Steal Web Session Cookie Credential Access
An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.
Why these techniques?

Reflected XSS is triggered by a malicious link and enables arbitrary JavaScript execution in the victim's browser session, directly facilitating session cookie theft.

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

References