CVE-2023-27293 Cross-site scripting in OpenCATS
An unauthenticated attacker can inject malicious JavaScript into questionnaire answers, leading to cookie theft and unauthorized actions when reviewed by authenticated users.
- 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-2023-27293?
CVE-2023-27293 is a medium-severity cross-site scripting vulnerability in OpenCATS, published on 28 Feb 2023. 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
Improper neutralization of input during web page generation allows an unauthenticated attacker to submit malicious Javascript as the answer to a questionnaire which would then be executed when an authenticated user reviews the candidate's submission. This could be used to steal other users’ cookies and force users to make actions without their knowledge.
Weakness: CWE-79
Which versions are affected by CVE-2023-27293?
It affects 1 product.
Products include Opencats Opencats.
How do I fix CVE-2023-27293?
No fix has been published for CVE-2023-27293 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-2023-27293 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-27293 exists.
Other vulnerabilities in OpenCATS
Sources
Also known as GHSA-hc89-xf9q-xh2p.