CVE-2019-12094 — Horde Groupware Webmail Edition through 5

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-10-24T16:49:03.000Z
• Last modified: 2024-08-04T23:10:30.519Z

09References

• numanozdemir.com — https://numanozdemir.com/respdisc/horde/horde.mp4
• numanozdemir.com — https://numanozdemir.com/respdisc/horde/horde.txt
• packetstormsecurity.com — https://packetstormsecurity.com/files/152975/Horde-Webmail-5.2.22-XSS-CSRF-SQL-I…
• www.exploit-db.com — https://www.exploit-db.com/exploits/46903
• cxsecurity.com — https://cxsecurity.com/issue/WLB-2019050199
• bugs.horde.org — https://bugs.horde.org/ticket/14926