CVE-2026-24973
Published: 25 March 2026
Summary
CVE-2026-24973 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 Spearphishing Link (T1566.002); ranked at the 11.8th 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).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Requires timely patching of the vulnerable CitiLights WordPress theme versions through 3.7.1, directly eliminating the reflected XSS flaw.
Mandates filtering of output prior to rendering, preventing injected scripts from executing in victims' browsers during reflected XSS attacks.
Enforces validation of user inputs to block or sanitize malicious XSS payloads before reflection in generated web pages.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS enables arbitrary browser script execution via malicious links (T1566.002), directly facilitating session hijacking (T1185) and web cookie theft (T1539).
NVD Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NooTheme CitiLights noo-citilights allows Reflected XSS.This issue affects CitiLights: from n/a through <= 3.7.1.
Deeper analysisAI
CVE-2026-24973 is an Improper Neutralization of Input During Web Page Generation vulnerability, enabling Reflected Cross-site Scripting (XSS) as classified under CWE-79, in the NooTheme CitiLights (noo-citilights) WordPress theme. This issue affects the theme from unknown initial versions (n/a) through version 3.7.1 inclusive. The vulnerability was published on 2026-03-25 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).
Attackers can exploit this vulnerability remotely over the network with low complexity and no required privileges, but it requires user interaction, such as clicking a malicious link. Exploitation changes the scope and allows limited impacts on confidentiality, integrity, and availability, typically enabling arbitrary script execution in the victim's browser context within the affected WordPress site.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/noo-citilights/vulnerability/wordpress-citilights-theme-3-7-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve documents the Reflected XSS vulnerability specific to CitiLights theme version 3.7.1, providing details for security practitioners to assess and address the issue in WordPress environments.
Details
- CWE(s)