Cyber Posture

CVE-2025-25099

High

Published: 03 March 2025

Published
03 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 0.0023 45.9th 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-2025-25099 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Cross-Site Scripting (XSS) under CWE-79, affecting the WordPress plugin Appointment Buddy Widget (appointment-buddy-online-appointment-booking-by-accrete) from accreteinfosolution. The issue impacts all versions from n/a through 1.2 inclusive.

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 vulnerability can be exploited by remote attackers requiring no privileges over the network with low attack complexity, though it demands user interaction. Exploitation enables arbitrary script execution in the victim's browser context, achieving low impacts on confidentiality, integrity, and availability while changing scope to affect other users or resources.

Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/appointment-buddy-online-appointment-booking-by-accrete/vulnerability/wordpress-embed-rss-plugin-3-1-arbitrary-shortcode-execution-vulnerability?_s_id=cve.

Details

CWE(s)
CWE-79

MITRE ATT&CK Enterprise Techniques

T1189 Drive-by Compromise Initial Access
Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.
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?

XSS in public-facing WordPress plugin enables drive-by compromise via injected malicious scripts (T1189) and stealing web session cookies through arbitrary browser script execution (T1539).

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

References