Horde Groupware Webmail Edition through 5.2.22 allows XSS via an admin/user.php?form=update_f&user_name= or admin/user.php?form=remove_f&user_name= or admin/config/diff.php?app= URI.
Conclusion & alert: CVE-2019-12094 is rated High Exploit Risk (65/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.80%). Core evidence: 6 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-16 | 0.95% | 0.80% | -0.15% |
| 2 | 2025-11-21 | 1.14% | 0.95% | -0.18% |
| 3 | 2025-11-18 | — | 1.14% | — |
Full EPSS history (17 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2019-12094 unimportant priority: Debian including 1 source packages (php-horde), 3 status rows across 3 suites (bookworm, bullseye, sid): open 3. | https://security-tracker.debian.org/tracker/CVE-2019-12094 |
ubuntu
|
medium | CVE-2019-12094 medium priority: Ubuntu including 2 source packages (php-horde-core, php-horde-trean), 36 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 25, needs-triage 7, ignored 4. | https://ubuntu.com/security/CVE-2019-12094 |
| URL | Tags |
|---|---|
| https://bugs.horde.org/ticket/14926 | Exploit Issue Tracking Vendor Advisory |
| https://cxsecurity.com/issue/WLB-2019050199 | Exploit Third Party Advisory |
| https://numanozdemir.com/respdisc/horde/horde.mp4 | Exploit Third Party Advisory |
| https://numanozdemir.com/respdisc/horde/horde.txt | Exploit Third Party Advisory |
| https://packetstormsecurity.com/files/152975/Horde-Webmail-5.2.22-XSS-CSRF-SQL-Injection-Code-Execution.html | Exploit Third Party Advisory VDB Entry |
| https://www.exploit-db.com/exploits/46903 | Exploit Third Party Advisory VDB Entry |