CVE-2023-45889 Cross-site scripting in n/a
Remote attackers can inject JavaScript into any webpage via the ClassLink OneClick Extension, enabling cross-site scripting attacks.
- 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-2023-45889?
CVE-2023-45889 is a medium-severity cross-site scripting vulnerability in n/a, published on 23 Jan 2024. 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
A Universal Cross Site Scripting (UXSS) vulnerability in ClassLink OneClick Extension through 10.8 allows remote attackers to inject JavaScript into any webpage. NOTE: this issue exists because of an incomplete fix for CVE-2022-48612.
Weakness: CWE-79
Which versions are affected by CVE-2023-45889?
It affects 1 product.
Products include Classlink Oneclick.
How do I fix CVE-2023-45889?
No fix has been published for CVE-2023-45889 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-2023-45889 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-45889 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-pgcw-8wrq-74f3.