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CVE-2026-27469: Improper Neutralization of Input During Web Page Generation

🗓️ 21 Feb 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 4 Views

Stored XSS in Isso via website and comment fields allows injection of event handlers.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-27469
21 Feb 202607:24
–attackerkb
circl
Circl
CVE-2026-27469
24 Feb 202617:29
–circl
cnnvd
CNNVD
Isso security vulnerabilities
21 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-27469
21 Feb 202607:24
–cve
cvelist
Cvelist
CVE-2026-27469 Isso: Stored XSS via comment website field
21 Feb 202607:24
–cvelist
github
Github Security Blog
Isso affected by Stored XSS via comment website field
24 Feb 202616:03
–github
mend
Mend
CVE-2026-27469
21 Feb 202607:24
–mend
nvd
NVD
CVE-2026-27469
21 Feb 202608:16
–nvd
osv_ghsa
osv_ghsa
GHSA-9FWW-8CPR-Q66R Isso affected by Stored XSS via comment website field
24 Feb 202616:03
–osv_ghsa
osv_pysec
osv_pysec
PYSEC-2026-2527 Isso affected by Stored XSS via comment website field
13 Jul 202614:36
–osv_pysec
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15 Apr 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 3.16.1
EPSS0.00424
SSVC
4