Is CVE-2022-35653 actively exploited?

Yes. CVE-2022-35653 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2022-35653 be exploited remotely?

The attack vector of CVE-2022-35653 has not been classified yet.

What is the CVSS score of CVE-2022-35653?

CVE-2022-35653 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2022-35653

UNKNOWNCISA KEVIN THE WILD

CVE-2022-35653

Published: April 11, 2026

Official Description

A reflected XSS issue was identified in the LTI module of Moodle. The vulnerability exists due to insufficient sanitization of user-supplied data in the LTI module. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website to steal potentially sensitive information, change appearance of the web page, can perform phishing and drive-by-download attacks. This vulnerability does not impact authenticated users.

NVD Source

Technical Analysis

CVE-2022-35653 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2022-35653 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.