CVE-2025-26584
Published: 26 March 2025
Summary
CVE-2025-26584 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 29.8th 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).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Directly mitigates reflected XSS by requiring output filtering to neutralize untrusted input before web page generation in the TBTestimonials plugin.
Prevents exploitation of improper input neutralization by enforcing validation mechanisms at plugin input points vulnerable to malicious scripts.
Addresses the specific flaw in TBTestimonials <=1.7.3 by requiring identification, reporting, and correction through patching or upgrades.
MITRE ATT&CK Enterprise TechniquesAI
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.
NVD Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Travis Ballard TBTestimonials tb-testimonials allows Reflected XSS.This issue affects TBTestimonials: from n/a through <= 1.7.3.
Deeper analysisAI
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)