Description
Multiple cross-site request forgery (CSRF) vulnerabilities in Horde before 5.2.8, Horde Groupware before 5.2.11, and Horde Groupware Webmail Edition before 5.2.11 allow remote attackers to hijack the authentication of administrators for requests that execute arbitrary (1) commands via the cmd parameter to admin/cmdshell.php, (2) SQL queries via the sql parameter to admin/sqlshell.php, or (3) PHP code via the php parameter to admin/phpshell.php.
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 | 5.2.8+debian0-1 | — |
| Debian 8 | php-horde | 5.2.1+debian0-2+deb8u2 | DSA-3391-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- Horde Groupware 5.2.10 - Cross-Site Request Forgery EDB-38765 · webapps · Nov 19, 2015
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- DSA-3391-1 php-horde - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- [announce] 20151021 [SECURITY] Horde 5.2.8 (final) mailing-list
- [announce] 20151022 [SECURITY] Horde Groupware Webmail Edition 5.2.11 (final) mailing-list
- 38765 exploit
- DSA-3391 vendor-advisory
- [announce] 20151022 [SECURITY] Horde Groupware 5.2.11 (final) mailing-list
- https://www.htbridge.com/advisory/HTB23272