CVE-2020-1771 Possible XSS in Customer user address book
Attackers can execute malicious JavaScript in agents' browsers via crafted links in the customer address book, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-1771?
CVE-2020-1771 is a medium-severity cross-site scripting vulnerability in Otrs Otrs, published on 27 Mar 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Attacker is able craft an article with a link to the customer address book with malicious content (JavaScript). When agent opens the link, JavaScript code is executed due to the missing parameter encoding. This issue affects: ((OTRS)) Community Edition: 6.0.26 and prior versions. OTRS: 7.0.15 and prior versions.
Weakness: CWE-79
Which versions are affected by CVE-2020-1771?
It affects 1 product.
Products include Otrs Otrs.
How do I fix CVE-2020-1771?
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-2020-1771 being exploited?
There is no known exploitation of CVE-2020-1771 in the wild and no public exploit code.
Other vulnerabilities in Otrs Otrs
Sources
Also known as DEBIAN-CVE-2020-1771, GHSA-38fp-9j49-g4gm, UBUNTU-CVE-2020-1771.