Cyber Posture

CVE-2025-23998

High

Published: 21 January 2025

Published
21 January 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 0.0014 32.9th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Description

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.

Security Summary

CVE-2025-23998 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS, CWE-79), in the UltraLight WordPress theme developed by Rara Theme. The flaw affects UltraLight versions from an unspecified initial release through 1.2, where user input is not properly sanitized during web page generation, enabling malicious script injection.

Attackers can exploit this vulnerability remotely over the network (AV:N) with low attack complexity (AC:L), requiring no privileges (PR:N) but user interaction such as clicking a malicious link (UI:R). Successful exploitation changes the security scope (S:C) and results in low impacts to confidentiality, integrity, and availability (C:L/I:L/A:L), yielding a CVSS v3.1 base score of 7.1. This allows reflected XSS payloads to execute in the victim's browser context, potentially leading to session hijacking, data theft, or further client-side compromise.

Patchstack has documented this issue in their vulnerability database for the UltraLight WordPress theme version 1.2, providing details on the Reflected XSS flaw at https://patchstack.com/database/Wordpress/Theme/the-ultralight/vulnerability/wordpress-ultralight-theme-1-2-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve. Security practitioners should update to a patched version of the theme if available and apply general XSS mitigations like Content Security Policy.

Details

CWE(s)
CWE-79

Affected Products

rarathemes
the ultralight
≤ 1.2

MITRE ATT&CK Enterprise Techniques

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.
T1059.007 JavaScript Execution
Adversaries may abuse various implementations of JavaScript for execution.
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.
Why these techniques?

Reflected XSS in public-facing WordPress theme directly enables T1190 (exploiting public-facing app via crafted URL), T1059.007 (arbitrary JavaScript execution in browser), and T1185 (session hijacking/data theft as described).

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

References