Cyber Resilience

CVE-2026-28737

High

Published: 03 July 2026

Published
03 July 2026
Modified
03 July 2026
KEV Added
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Patch
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CVSS Score v3.1 8.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS Score N/A
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-28737 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 8.7 (High).

Operationally, it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

No EU or UK CSIRT advisories indexed for this CVE.

Vulnerability details

Gitea versions from 1.25.0 before 1.26.0 allow stored cross-site scripting through the extensionsRequired field in glTF files rendered by the 3D file viewer.

CWE(s)
CWE-79

Related Threats

CVEs Like This One

CVE-2021-38903Shared CWE-79
CVE-2021-39183Shared CWE-79
CVE-2021-38350Shared CWE-79
CVE-2022-0372Shared CWE-79
CVE-2022-1396Shared CWE-79
CVE-2021-24841Shared CWE-79
CVE-2021-31813Shared CWE-79
CVE-2021-40888Shared CWE-79
CVE-2022-1571Shared CWE-79
CVE-2021-32668Shared CWE-79

Affected Assets

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Gitea
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation
addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering
addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References