MEDIUM · 5.4

CVE-2021-26925

Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.

Vulnerability Description

Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
RoundcubeWebmail< 1.4.11
FedoraprojectFedora32

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-26925?

CVE-2021-26925 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.

How severe is CVE-2021-26925?

CVE-2021-26925 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26925?

Check the references section above for vendor advisories and patch information. Affected products include: Roundcube Webmail, Fedoraproject Fedora.