CVE-2023-43999 Cross-site scripting in n/a
Attackers can exploit token leakage in the COLORFUL_laundry mini-app to send malicious notifications, potentially leading to code execution or account takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-43999?
CVE-2023-43999 is a medium-severity cross-site scripting vulnerability in Linecorp Line, published on 24 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue in COLORFUL_laundry mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.
Weakness: CWE-79
Which versions are affected by CVE-2023-43999?
It affects 1 product.
Products include Linecorp Line.
How do I fix CVE-2023-43999?
No fix has been published for CVE-2023-43999 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-2023-43999 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-43999 exists.
Other vulnerabilities in Linecorp Line
Sources
Also known as GHSA-3p6c-w37j-m7g3.