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CVE-2021-21283

🗓️ 22 May 2025 21:31:30Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 5 Views

Flarum Sticky extension has a cross-site scripting vulnerability affecting specific beta versions.

Related
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2021-21283
27 Jan 202100:36
circl
CNNVD
Flarum Sticky Cross-Site Scripting Vulnerability
26 Jan 202100:00
cnnvd
CVE
CVE-2021-21283
26 Jan 202120:45
cve
Cvelist
CVE-2021-21283 XSS in Flarum Sticky extension.
26 Jan 202120:45
cvelist
EUVD
EUVD-2021-0503
7 Oct 202500:30
euvd
Github Security Blog
XSS in Flarum Sticky extension
29 Jan 202118:13
github
NVD
CVE-2021-21283
26 Jan 202121:15
nvd
OSV
GHSA-H3GG-7WX2-CQ3H XSS in Flarum Sticky extension
29 Jan 202118:13
osv
Prion
Cross site scripting
26 Jan 202121:15
prion
Veracode
Cross-site Scripting (XSS)
1 Feb 202106:52
veracode
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27 Mar 2026 14:58Current
6.2Medium risk
Vulners AI Score6.2
CVSS 23.5
CVSS 3.15.4
EPSS0.00347
5