CVE-2020-8034 Cross-site scripting in n/a
Reflected XSS in Gollem allows attackers to hijack victim webmail accounts via malicious URLs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-8034?
CVE-2020-8034 is a medium-severity cross-site scripting vulnerability in n/a, published on 18 May 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2020-8034?
It affects 2 products.
Products include Horde Gollem, Horde Groupware.
How do I fix CVE-2020-8034?
Upgrade to a fixed version.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-8034 being exploited?
There is no known exploitation of CVE-2020-8034 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2020-8034, DLA-2229-1, GHSA-4653-jj47-h6j5, UBUNTU-CVE-2020-8034.