Is CVE-2021-41951 actively exploited?

Yes. CVE-2021-41951 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-41951 be exploited remotely?

The attack vector of CVE-2021-41951 has not been classified yet.

What is the CVSS score of CVE-2021-41951?

CVE-2021-41951 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-41951

UNKNOWNCISA KEVIN THE WILD

CVE-2021-41951

Published: April 11, 2026

EPSS:58.41%probability of exploitation in 30 daysPercentile:98.2th

Official Description

ResourceSpace before 9.6 rev 18290 is affected by a reflected Cross-Site Scripting vulnerability in plugins/wordpress_sso/pages/index.php via the wordpress_user parameter. If an attacker is able to persuade a victim to visit a crafted URL, malicious JavaScript content may be executed within the context of the victim's browser.

NVD Source

Technical Analysis

CVE-2021-41951 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-2021-41951 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.