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CVE-2026-103974: Improper Neutralization of Input During Web Page Generation

🗓️ 14 Oct 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 5 Views

Stored XSS in lichess.org via PGN Annotator tags allows HTML and CSS injection.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-103974
14 Oct 202623:37
–circl
cve
CVE
CVE-2026-103974
14 Oct 202618:17
–cve
cvelist
Cvelist
CVE-2026-103974 lichess.org: Stored HTML Injection via PGN Annotator Tag in Studies
14 Oct 202618:17
–cvelist
euvd
EUVD
EUVD-2026-101591
14 Oct 202618:17
–euvd
mend
Mend
CVE-2026-103974
14 Oct 202618:17
–mend
nvd
NVD
CVE-2026-103974
14 Oct 202619:17
–nvd
ptsecurity
Positive Technologies
PT-2026-113962
14 Oct 202600:00
–ptsecurity

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16 Oct 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.4
EPSS0.00214
5