CVE-2021-37860
Last modified
CVE-2021-37860 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.
Description
Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | <= 5.38 |
References
- https://mattermost.com/security-updates/Vendor Advisory
- https://mattermost.com/security-updates/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Related CVEs from 2021
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- CVE-2021-37857Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-37858Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-37859Fixed a bypass for a reflected cross-site scripting vulnerab…6.1
- CVE-2021-3786A potential vulnerability in the SMI callback function used …5.5
- CVE-2021-37861Mattermost 6.0.2 and earlier fails to sufficiently sanitize …7.5
- CVE-2021-37862Mattermost 6.0 and earlier fails to sufficiently validate th…5.4
- CVE-2021-37863Mattermost 6.0 and earlier fails to sufficiently validate pa…5.7
- CVE-2021-37864Mattermost 6.1 and earlier fails to sufficiently validate pe…6.5
- CVE-2021-37865Mattermost 6.2 and earlier fails to sufficiently process a s…5.7
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