Vulnerability Report

CVE-2020-8035

Title: Horde Groupware Webmail Edition Stored XSS via SVG

XSS

Proof Of Concept

No public PoC currently indexed for CVE-2020-8035.

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)

0.88%

Vulnerability Summary

CVE-2020-8035: The image view functionality in Horde Groupware Webmail Edition before 5.2.22 is affected by a stored Cross-Site Scripting (XSS) vulnerability via an SVG image upload containing a JavaScript payload. An attacker can obtain access to a victim's webmail account by making them visit a malicious URL.

Impacted Vendors

handysoft 1

horde 1

nulllogic 1

Reference Links

https://github.com/horde/base/blob/c00f2fdb222055fb2ccb6d53b5b5240c0a7d2a75/docs/CHANGES https://lists.debian.org/debian-lts-announce/2020/05/msg00035.html https://lists.horde.org/archives/announce/2020/001290.html https://github.com/horde/base/blob/c00f2fdb222055fb2ccb6d53b5b5240c0a7d2a75/docs/CHANGES https://lists.debian.org/debian-lts-announce/2020/05/msg00035.html https://lists.horde.org/archives/announce/2020/001290.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-2020-8035 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

May 18, 2020 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.