HOMEVULNERABILITIESCVE-2019-12095
HIGH

CVE-2019-12095

CWE-79Published: October 24, 2019· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Horde Trean, as used in Horde Groupware Webmail Edition through 5.2.22 and other products, allows CSRF, as demonstrated by the treanBookmarkTags parameter to the trean/ URI on a webmail server. NOTE: treanBookmarkTags could, for example, be a stored XSS payload.

NVD Source

Technical Analysis

CVE-2019-12095 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

horde1 product(s)
groupware
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://bugs.horde.org/ticket/14926
ADVISORYhttps://cxsecurity.com/issue/WLB-2019050199
ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/161333
ADVISORYhttps://numanozdemir.com/respdisc/horde/horde.mp4
ADVISORYhttps://numanozdemir.com/respdisc/horde/horde.txt
ADVISORYhttps://packetstormsecurity.com/files/152975/Horde-Webmail-5.2.22-XSS-CSRF-SQL-Injection-Code-Execution.html
ADVISORYhttps://www.exploit-db.com/exploits/46903
ADVISORYhttps://bugs.horde.org/ticket/14926
ADVISORYhttps://cxsecurity.com/issue/WLB-2019050199
ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/161333
ADVISORYhttps://numanozdemir.com/respdisc/horde/horde.mp4
ADVISORYhttps://numanozdemir.com/respdisc/horde/horde.txt
ADVISORYhttps://packetstormsecurity.com/files/152975/Horde-Webmail-5.2.22-XSS-CSRF-SQL-Injection-Code-Execution.html
ADVISORYhttps://www.exploit-db.com/exploits/46903

All References (16)

→
https://bugs.horde.org/ticket/14926Exploit · Issue Tracking · Vendor Advisory
→
https://cxsecurity.com/issue/WLB-2019050199Exploit · Third Party Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/161333Third Party Advisory · VDB Entry
→
https://lists.debian.org/debian-lts-announce/2019/12/msg00015.html
→
https://numanozdemir.com/respdisc/horde/horde.mp4Exploit · Third Party Advisory
→
https://numanozdemir.com/respdisc/horde/horde.txtExploit · Third Party Advisory
→
https://packetstormsecurity.com/files/152975/Horde-Webmail-5.2.22-XSS-CSRF-SQL-Injection-Code-Execution.htmlExploit · Third Party Advisory · VDB Entry
→
https://www.exploit-db.com/exploits/46903Exploit · Third Party Advisory · VDB Entry
→
https://bugs.horde.org/ticket/14926Exploit · Issue Tracking · Vendor Advisory
→
https://cxsecurity.com/issue/WLB-2019050199Exploit · Third Party Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/161333Third Party Advisory · VDB Entry
→
https://lists.debian.org/debian-lts-announce/2019/12/msg00015.html
→
https://numanozdemir.com/respdisc/horde/horde.mp4Exploit · Third Party Advisory
→
https://numanozdemir.com/respdisc/horde/horde.txtExploit · Third Party Advisory
→
https://packetstormsecurity.com/files/152975/Horde-Webmail-5.2.22-XSS-CSRF-SQL-Injection-Code-Execution.htmlExploit · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2019-12095
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-79
CISA KEVNo
Affected1 vendor(s)
PublishedOct 24, 2019

Related CVEs (CWE-79)

CVE-2023-0776
10.0
CVE-2011-3046
10.0
CVE-2025-49410
10.0
CVE-2024-6886
10.0
CVE-2021-32671
10.0
CVE-2026-54158
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-12095 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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