CVE-2024-2445— Reflected XSS in Mattermost Jira plugin
Quick assessment
Affected
Mattermost Mattermost
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mattermost是美国Mattermost公司的一个开源协作平台。Matter是一个统一的开源应用层连接标准，旨在使开发人员和设备制造商能够连接并构建可靠、安全的生态系统，并提高联网家庭设备之间的兼容性。 Mattermost 8.1.10之前的8.1.x版本、9.2.6之前的9.2.x版本、9.3.2之前的9.3.x版本和9.4.3之前的9.4.x版本存在安全漏洞，该漏洞源于无法转义用户控制的输出页面，允许攻击者执行反射型跨站脚本攻击。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2024-2445
Vulnerability Information
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Vulnerability Title
Reflected XSS in Mattermost Jira plugin
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost Jira plugin versions shipped with Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to escape user-controlled outputs when generating HTML pages, which allows an attacker to perform reflected cross-site scripting attacks against the users of the Mattermost server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。Matter是一个统一的开源应用层连接标准，旨在使开发人员和设备制造商能够连接并构建可靠、安全的生态系统，并提高联网家庭设备之间的兼容性。 Mattermost 8.1.10之前的8.1.x版本、9.2.6之前的9.2.x版本、9.3.2之前的9.3.x版本和9.4.3之前的9.4.x版本存在安全漏洞，该漏洞源于无法转义用户控制的输出页面，允许攻击者执行反射型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mattermost | Mattermost | 9.4.0 ~ 9.4.2 | - |
|
II. Public POCs for CVE-2024-2445
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2024-03-15 · 5 CVEs total
| CVE-2024-2450 | 8.8 HIGH | Mattermost 安全漏洞 |
| CVE-2024-2446 | 4.3 MEDIUM | Mattermost 安全漏洞 |
| CVE-2024-24975 | 3.5 LOW | Denial of Service for mobile app users due to automatic code highlighting |
| CVE-2024-28053 | 3.1 LOW | Resource Exhaustion via the Invitation Feature |
IV. Related Vulnerabilities
Same product: Mattermost
-
CVE-2026-75587
Plaintext pre-auth secret exposure via Desktop App diagnosti -
CVE-2026-9693
Mattermost thread memberships persist after team removal, ex -
CVE-2026-9859
Mattermost Boards plugin didn’t enforce role-based authoriza -
CVE-2026-9816
Insufficient server-side validation of board member role fie -
CVE-2026-10080
Boards plugin panics on WebSocket command with non-string fi
Same vendor: Mattermost
-
CVE-2026-75587
Plaintext pre-auth secret exposure via Desktop App diagnosti -
CVE-2026-9693
Mattermost thread memberships persist after team removal, ex -
CVE-2026-9859
Mattermost Boards plugin didn’t enforce role-based authoriza -
CVE-2026-9816
Insufficient server-side validation of board member role fie -
CVE-2026-10080
Boards plugin panics on WebSocket command with non-string fi
Same weakness: CWE-74
V. Comments for CVE-2024-2445
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