Favorites
CVE-2021-26023
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
1DescriptionNVD
The Favorites component before 1.0.2 for Nagios XI 5.8.0 is vulnerable to XSS.
AnalysisAI
The Favorites component before 1.0.2 for Nagios XI 5.8.0 is vulnerable to XSS. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The Favorites component before 1.0.2 for Nagios XI 5.8.0 is vulnerable to XSS. Affected products include: Nagios Favorites. Version information: before 1.0.2.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
The Favorites WordPress plugin before 2.3.5 does not sanitise and escape some of its settings, which could allow high pr
The Favorites plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'user_favorites' shortcode in ve
The Favorites component before 1.0.2 for Nagios XI 5.8.0 is vulnerable to Insecure Direct Object Reference: it is possib
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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