CVE-2025-68891

High

Published: 08 January 2026

Published

08 January 2026

Modified

15 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 0.0003 7.3th percentile

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

Summary

CVE-2025-68891 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 JavaScript (T1059.007); ranked at the 7.3th 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-2025-68891 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the WP App Bar WordPress plugin (wp-app-bar) developed by Ryan Sutana. This issue affects all versions of the plugin from n/a through 1.5 inclusive. The vulnerability was published on 2026-01-08.

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), the flaw is exploitable remotely over the network with low complexity and no required privileges, though it demands user interaction. Unauthenticated attackers can craft malicious payloads, such as links or inputs, to trick site visitors or administrators into triggering the reflected XSS, executing arbitrary JavaScript in the victim's browser within a changed security scope and yielding low impacts to confidentiality, integrity, and availability.

The Patchstack advisory documents this Reflected XSS vulnerability specifically in WP App Bar plugin version 1.5, providing details for WordPress security practitioners at https://patchstack.com/database/Wordpress/Plugin/wp-app-bar/vulnerability/wordpress-wp-app-bar-plugin-1-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-1500

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Ryan Sutana WP App Bar wp-app-bar allows Reflected XSS.This issue affects WP App Bar: from n/a through <= 1.5.

CWE(s): CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.007 JavaScript Execution

Adversaries may abuse various implementations of JavaScript for execution.

attack.mitre.org →

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 →

T1204.001 Malicious Link Execution

An adversary may rely upon a user clicking a malicious link in order to gain execution.

attack.mitre.org →

Why these techniques?

Reflected XSS in public-facing WP plugin directly enables arbitrary JS execution (T1059.007) via crafted malicious links (T1204.001) and exploitation of the web app (T1190).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1