Description
In Horde Groupware 5.2.19, there is XSS via the Name field during creation of a new Resource. This can be leveraged for remote code execution after compromising an administrator account, because the CVE-2015-7984 CSRF protection mechanism can then be bypassed.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 12 | php-horde-kronolith | 4.2.24-1 | — |
| Debian 9 | php-horde-kronolith | 4.2.19-1+deb9u1 | DLA-2350-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | php-horde-kronolith | No fix yet | — |
Advisories 1
- DLA-2350-1 php-horde-kronolith - security update Debian Security (DSA / DLA) · Mar 9, 2026