GHSA-xpqh-grpw-4xmg

Suggest an improvement
Source
https://github.com/advisories/GHSA-xpqh-grpw-4xmg
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-xpqh-grpw-4xmg/GHSA-xpqh-grpw-4xmg.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-xpqh-grpw-4xmg
Aliases
Published
2026-04-03T06:31:32Z
Modified
2026-04-04T07:11:22Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
Summary
Roundcube Webmail: Insufficient CSS sanitization in HTML e-mail messages
Details

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to a fixed-position mitigation bypass via the use of !important.

Database specific 
{
    "cwe_ids": [
        "CWE-669"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-04T06:57:38Z",
    "nvd_published_at": "2026-04-03T05:16:22Z",
    "severity": "MODERATE"
}
References

Affected packages

Packagist / roundcube/roundcubemail

Package

Name
roundcube/roundcubemail
Purl
pkg:composer/roundcube/roundcubemail

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.7-beta
Fixed
1.7-rc5

Affected versions

1.*
1.7-beta
1.7-beta2
1.7-rc
1.7-rc2
1.7-rc3
1.7-rc4

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-xpqh-grpw-4xmg/GHSA-xpqh-grpw-4xmg.json"