CVE-2026-26079

Description

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13 allows Cascading Style Sheets (CSS) injection, e.g., because comments are mishandled.

Affected Platforms

Weakness Type

CWE-829

References

• https://github.com/roundcube/roundcubemail/commit/1f4c3a5af5033747f9685a8a395dbd…
• https://github.com/roundcube/roundcubemail/commit/2b5625f1d2ef7e050fd1ae481b2a52…
• https://github.com/roundcube/roundcubemail/commit/53d75d5dfebef235a344d476b900c2…
• https://github.com/roundcube/roundcubemail/commit/5a3315cce587e0be58335d11ff9a55…
• https://github.com/roundcube/roundcubemail/commit/bf89cbaa5897d8ad62e8057d9a3f6b…
• https://github.com/roundcube/roundcubemail/commit/c15f5dbf093a497e19a749b20e7f8f…