Sensitive-data exfiltration via stored Filter HTML injection
Published Jan 6, 2026 · Updated Jan 6, 2026
Stored XSS in GitHub Enterprise Server 3.14.0 through 3.19.0 allows remote authenticated users to exfiltrate sensitive data. The Filter search component renders attacker-controlled HTML from names of milestones, issues, pull requests, and similar entities without adequate neutralization. The attacker needs permission to create or rename one of those entities, and exploitation occurs when another user loads the crafted content in a vulnerable filter or search view.
Summary
What happened
Stored XSS in GitHub Enterprise Server 3.14.0 through 3.19.0 allows remote authenticated users to exfiltrate sensitive data. The Filter search component renders attacker-controlled HTML from names of milestones, issues, pull requests, and similar entities without adequate neutralization. The attacker needs permission to create or rename one of those entities, and exploitation occurs when another user loads the crafted content in a vulnerable filter or search view.
The record
- CVE
- CVE-2025-13744
- Published
- Jan 6, 2026
- Updated
- Jan 6, 2026
- Vendor
- Product
- GitHub Enterprise Server
- Classifications
- CWE-79, CAPEC-592, T1189
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jan 6, 2026CVE publishedPublication date reported by the CVE source.
- Jan 6, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=3.14.0 <=3.14.19 changes=[{"at":"3.14.20","status":"unaffected"}]
- Affected versionversion=3.15.0 <=3.15.14 changes=[{"at":"3.15.15","status":"unaffected"}]
- Affected versionversion=3.16.0 <=3.16.10 changes=[{"at":"3.16.11","status":"unaffected"}]
- Affected versionversion=3.17.0 <=3.17.7 changes=[{"at":"3.17.8","status":"unaffected"}]
- Affected versionversion=3.18.0 <=3.18.1 changes=[{"at":"3.18.2","status":"unaffected"}]
- Affected versionversion=3.19 <=3.19.0 changes=[{"at":"3.19.1","status":"unaffected"}]
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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