What’s Vulnerable › Vulnerabilities
CVE-2021-37860
- Severity: medium (CVSS 6.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-09-22 · updated 2026-06-17
- Weakness: CWE-79
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.
Affected products
- Mattermost App Framework: through 5.38
References
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