CVE-2021-35298 Cross-site scripting in n/a
Remote attackers can execute arbitrary web script or HTML via the note field in multiple models, potentially leading to session hijacking or malicious actions.
- 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
- None listed
What is CVE-2021-35298?
CVE-2021-35298 is a medium-severity cross-site scripting vulnerability in Zammad Zammad, published on 28 Jun 2021. 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
Cross Site Scripting (XSS) in Zammad 1.0.x up to 4.0.0 allows remote attackers to execute arbitrary web script or HTML via multiple models that contain a 'note' field to store additional information.
Weakness: CWE-79
Which versions are affected by CVE-2021-35298?
It affects 1 product.
Products include Zammad Zammad.
How do I fix CVE-2021-35298?
No fix has been published for CVE-2021-35298 yet. Limit exposure of the affected software until one is available.
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-2021-35298 being exploited?
There is no known exploitation of CVE-2021-35298 in the wild and no public exploit code.
Other vulnerabilities in Zammad Zammad
Sources
Also known as GHSA-72cx-4fqp-fx62.