VYPR
Medium severity6.1NVD Advisory· Published Apr 24, 2020· Updated Jun 17, 2026

CVE-2020-12137

CVE-2020-12137

Description

GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, because an HTTP reply from an archive web server may lack a MIME type, and a web browser may perform MIME sniffing, conclude that the MIME type should have been text/html, and execute JavaScript code.

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Affected products

33

Patches

Vulnerability mechanics

References

11

News mentions

0

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