CVE-2020-13964

unknown

Published — · Modified —

CVSS v3

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CVSS v2

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VIR risk

—

Description

An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5. include/rcmail_output_html.php allows XSS via the username template object.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-13964

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`1.4.5+dfsg.1-1`
debian	bullseye	fixed	`1.4.5+dfsg.1-1`
debian	sid	fixed	`1.4.5+dfsg.1-1`
debian	trixie	fixed	`1.4.5+dfsg.1-1`

References

https://security-tracker.debian.org/tracker/CVE-2020-13964

Verify integrity in audit chain (admin only). AS-IS.