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CVE-2026-25543: Improper Encoding or Escaping of Output

🗓️ 04 Feb 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 6 Views

Unsanitized template tag contents in HtmlSanitizer <9.0.892 and <9.1.893-beta allow XSS.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-25543
4 Feb 202621:45
–attackerkb
cnnvd
CNNVD
HTMLSanitizer security vulnerability
4 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-25543
4 Feb 202621:45
–cve
cvelist
Cvelist
CVE-2026-25543 HtmlSanitizer has a bypass via template tag
4 Feb 202621:45
–cvelist
euvd
EUVD
EUVD-2026-5328
4 Feb 202621:45
–euvd
github
Github Security Blog
HtmlSanitizer has a bypass via template tag
3 Feb 202619:22
–github
mend
Mend
CVE-2026-25543
4 Feb 202621:45
–mend
nvd
NVD
CVE-2026-25543
4 Feb 202622:16
–nvd
osv_echo
osv_echo
ECHO-B56B-174C-3D1B
20 Oct 202613:58
–osv_echo
osv_ghsa
osv_ghsa
GHSA-J92C-7V7G-GJ3F HtmlSanitizer has a bypass via template tag
3 Feb 202619:22
–osv_ghsa
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24 Feb 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.1
CVSS 46.3
EPSS0.00399
SSVC
6