CVE-2020-8035

Name: CVE-2020-8035
Creator: NVD / NIST
Published: 2020-05-18T15:15:11.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2020-8035 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.88%

54.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Horde	Groupware	< 5.2.22

References

https://github.com/horde/base/blob/c00f2fdb222055fb2ccb6d53b5b5240c0a7d2a75/docs/CHANGESRelease Notes, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00035.html
https://lists.horde.org/archives/announce/2020/001290.htmlMailing List, Vendor Advisory
https://github.com/horde/base/blob/c00f2fdb222055fb2ccb6d53b5b5240c0a7d2a75/docs/CHANGESRelease Notes, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00035.html
https://lists.horde.org/archives/announce/2020/001290.htmlMailing List, Vendor Advisory

Timeline

Published: May 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8035?

How severe is CVE-2020-8035?

CVE-2020-8035 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8035?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8035?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST