CVE-2025-26972

High

Published: 15 March 2025

Published

15 March 2025

Modified

28 April 2026

KEV Added

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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 0.0009 25.2th percentile

Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-26972 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 Exploit Public-Facing Application (T1190); ranked at the 25.2th 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-2025-26972 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Cross-site Scripting (CWE-79), specifically a reflected XSS issue in the PrivateContent WordPress plugin. It affects all versions of the plugin from an unspecified initial release through 8.11.5. The vulnerability was published on 2025-03-15 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).

Unauthenticated attackers (PR:N) can exploit this vulnerability remotely over the network (AV:N) with low attack complexity (AC:L), though it requires user interaction (UI:R), such as clicking a malicious link. Exploitation changes scope (S:C) and allows limited impacts: low confidentiality (C:L) via potential session hijacking or data exfiltration in the victim's browser context, low integrity (I:L) through script injection, and low availability (A:L).

The Patchstack advisory provides details on the vulnerability, including remediation guidance for the PrivateContent WordPress plugin up to version 8.11.5, available at https://patchstack.com/database/wordpress/plugin/private-content/vulnerability/wordpress-privatecontent-plugin-8-11-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-7725

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound PrivateContent. This issue affects PrivateContent: from n/a through 8.11.5.

CWE(s): CWE-79

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 →

T1185 Browser Session Hijacking Collection

Adversaries may take advantage of security vulnerabilities and inherent functionality in browser software to change content, modify user-behaviors, and intercept information as part of various browser session hijacking techniques.

attack.mitre.org →

Why these techniques?

Reflected XSS in public-facing WordPress plugin enables exploitation of the web app (T1190) and directly facilitates browser session hijacking via injected scripts (T1185).

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