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CVE-2026-2266: Improper Neutralization of Input During Web Page Generation

🗓️ 10 Mar 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Authenticated DOM-based XSS in GitHub Enterprise Server prior to 3.20 via task list content.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-2266
10 Mar 202618:55
–attackerkb
cnnvd
CNNVD
GitHub Enterprise Server 安全漏洞
10 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-2266
10 Mar 202618:55
–cve
cvelist
Cvelist
CVE-2026-2266 Improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed cross-site scripting via task list content and enabled arbitrary HTML injection
10 Mar 202618:55
–cvelist
euvd
EUVD
EUVD-2026-10792
10 Mar 202621:32
–euvd
euvd
EUVD
EUVD-2026-10793
10 Mar 202621:32
–euvd
nvd
NVD
CVE-2026-2266
10 Mar 202620:16
–nvd
osv
OSV
CVE-2026-2266
10 Mar 202620:16
–osv
ptsecurity
Positive Technologies
PT-2026-24374
10 Mar 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-2266
26 Mar 202614:59
–redhatcve
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12 Mar 2026 00:00Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.15.4
CVSS 47.4
EPSS0.00176
SSVC
0