Mattermost GitHub Plugin Insufficient Validation
🗓️ 25 Dec 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 18 Views
| Reporter | Title | Published | Views | Family All 19 |
|---|---|---|---|---|
 | CVE-2025-13352 | 17 Dec 202515:35 | – | circl |
 | Mattermost 安全漏洞 | 17 Dec 202500:00 | – | cnnvd |
 | CVE-2025-13352 | 17 Dec 202512:11 | – | cve |
 | CVE-2025-13352 Mattermost GitHub Plugin allows unauthorized GitHub reactions via reaction forwarding hijacking | 17 Dec 202512:11 | – | cvelist |
 | EUVD-2025-203891 | 17 Dec 202515:34 | – | euvd |
 | Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection | 17 Dec 202515:34 | – | github |
 | CVE-2025-13352 | 17 Dec 202512:11 | – | mend |
 | CVE-2025-13352 | 17 Dec 202513:15 | – | nvd |
 | GHSA-JF5H-XFW4-P8GP Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection | 17 Dec 202515:34 | – | osv_ghsa |
 | GO-2025-4247 Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection in github.com/mattermost/mattermost | 22 Dec 202518:15 | – | osv_go |
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25 Dec 2025 00:00Current
7.6High risk
Vulners AI Score7.6
CVSS 22.1
CVSS 33
EPSS0.00175