CVE-2020-24901
Published: April 11, 2026
Official Description
The default installation of Krpano Panorama Viewer version <=1.20.8 is vulnerable to Reflected XSS due to insecure remote js load in file viewer/krpano.html, parameter plugin[test].url.
Risk Analysis
This vulnerability in Krpano Panorama Viewer allows for Reflected Cross-Site Scripting (XSS) due to insecure remote JavaScript loading. An attacker could inject malicious scripts into web pages viewed by other users, leading to session hijacking or defacement. This CVE is in CISA's KEV catalog, indicating confirmed exploitation.
Active exploitation of this vulnerability has been observed in the wild. This is a client-side vulnerability, typically requiring user interaction to trigger.
Update Krpano Panorama Viewer to a version greater than 1.20.8. Implement strict content security policies (CSPs) to mitigate XSS risks.
Technical Analysis
CVE-2020-24901 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-2020-24901 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.
Exploit & PoC Resources
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-24901 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1