Vulnerability Report

CVE-2020-8034

Title: Horde Gollem Reflected XSS in browser functionality

XSS

Proof Of Concept

No public PoC currently indexed for CVE-2020-8034.

CWE Category CWE-79
Published Date May 18, 2020
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 6.1 CVSS v3.1
Exploit Probability (EPSS)
0.97%

Vulnerability Summary

CVE-2020-8034: Gollem before 3.0.13, as used in Horde Groupware Webmail Edition 5.2.22 and other products, is affected by a reflected Cross-Site Scripting (XSS) vulnerability via the HTTP GET dir parameter in the browser functionality, affecting breadcrumb output. An attacker can obtain access to a victim's webmail account by making them visit a malicious URL.

Impacted Vendors

H
horde 2
N
nulllogic 1
H
handysoft 1

Reference Links

https://github.com/horde/gollem/blob/95b2a4212d734f1b27aaa7a221d2fa1370d2631f/docs/CHANGES https://github.com/horde/gollem/commits/master https://lists.debian.org/debian-lts-announce/2020/05/msg00033.html https://lists.horde.org/archives/announce/2020/001289.html https://lists.horde.org/archives/gollem/Week-of-Mon-20200420/001990.html https://github.com/horde/gollem/blob/95b2a4212d734f1b27aaa7a221d2fa1370d2631f/docs/CHANGES https://github.com/horde/gollem/commits/master https://lists.debian.org/debian-lts-announce/2020/05/msg00033.html https://lists.horde.org/archives/announce/2020/001289.html https://lists.horde.org/archives/gollem/Week-of-Mon-20200420/001990.html
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.1
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-8034 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Stack

No specific products linked.