CVE-2019-12094

Exp

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.

Published: 2019-10-24 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

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.

Public exploit references (Exploit-DB) for CVE-2019-12094

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 ↗

Exploit prediction scoring system (EPSS) score for CVE-2019-12094

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-12094

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 2.7 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2019-12094

OS Trackers for CVE-2019-12094

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

Affected software / configurations for CVE-2019-12094

Vendor Product Version Raw CPE
horde groupware <= 5.2.22 cpe:2.3:a:horde:groupware:*:*:*:*:webmail:*:*:*

References for 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
cvelogic Threat Intelligence