CVE-2025-23995

High

Published: 31 March 2025

Published

31 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 0.0026 49.4th percentile

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

Summary

CVE-2025-23995 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 49.4th 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-15 (Information Output Filtering) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2025-23995 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the ta2g Tantyyellow WordPress theme. This issue affects Tantyyellow versions from n/a through 1.0.0.5. Published on 2025-03-31, it 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), indicating high severity due to its network accessibility and scope change.

Attackers can exploit this vulnerability remotely over the network with low complexity and no required privileges, though it demands user interaction such as clicking a malicious link. Successful exploitation enables limited impacts on confidentiality, integrity, and availability within the victim's browser context, potentially allowing theft of session data or execution of scripts in the site's domain.

The Patchstack advisory provides details on this WordPress theme vulnerability, including mitigation guidance, at https://patchstack.com/database/wordpress/theme/tantyyellow/vulnerability/wordpress-tantyyellow-theme-1-0-0-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-8730

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ta2g Tantyyellow allows Reflected XSS.This issue affects Tantyyellow: from n/a through 1.0.0.5.

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 →

T1059.007 JavaScript Execution

Adversaries may abuse various implementations of JavaScript for execution.

attack.mitre.org →

Why these techniques?

Reflected XSS in public-facing WordPress theme directly enables T1190 (exploiting public-facing apps via crafted links) and T1059.007 (arbitrary JavaScript execution in browser for session theft or script running).

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