ghsa-jf5h-xfw4-p8gp
Vulnerability from github
Published
2025-12-17 15:34
Modified
2025-12-17 22:49
Severity ?
VLAI Severity ?
Summary
Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection
Details
Mattermost versions 10.11.x <= 10.11.6 and Mattermost GitHub plugin versions <=2.4.0 fail to validate plugin bot identity in reaction forwarding which allows attackers to hijack the GitHub reaction feature to make users add reactions to arbitrary GitHub objects via crafted notification posts.
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "github.com/mattermost/mattermost/server/v8"
},
"ranges": [
{
"events": [
{
"introduced": "10.11.0-rc1"
},
{
"fixed": "10.11.7-0.20251106103514-3b05384dd014"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Go",
"name": "github.com/mattermost/mattermost"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "10.11.7-0.20251106103514-3b05384dd014"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Go",
"name": "github.com/mattermost/mattermost"
},
"ranges": [
{
"events": [
{
"introduced": "11.0.0-alpha.1"
},
{
"fixed": "11.1.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Go",
"name": "github.com/mattermost/mattermost-plugin-github"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.1-0.20250829075715-0deffcfc6bee"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-13352"
],
"database_specific": {
"cwe_ids": [
"CWE-1287"
],
"github_reviewed": true,
"github_reviewed_at": "2025-12-17T22:49:46Z",
"nvd_published_at": "2025-12-17T13:15:56Z",
"severity": "LOW"
},
"details": "Mattermost versions 10.11.x \u003c= 10.11.6 and Mattermost GitHub plugin versions \u003c=2.4.0 fail to validate plugin bot identity in reaction forwarding which allows attackers to hijack the GitHub reaction feature to make users add reactions to arbitrary GitHub objects via crafted notification posts.",
"id": "GHSA-jf5h-xfw4-p8gp",
"modified": "2025-12-17T22:49:46Z",
"published": "2025-12-17T15:34:53Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-13352"
},
{
"type": "WEB",
"url": "https://github.com/mattermost/mattermost-plugin-github/commit/0deffcfc6bee7eaf01f7c99100e3d12e8d9df68c"
},
{
"type": "WEB",
"url": "https://github.com/mattermost/mattermost/commit/3b05384dd0146c1be3caa620a42e00e46027055d"
},
{
"type": "PACKAGE",
"url": "https://github.com/mattermost/mattermost"
},
{
"type": "WEB",
"url": "https://mattermost.com/security-updates"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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