CVE-2023-51219 Cross-site scripting in n/a
Attackers can execute JavaScript via deep links to steal access tokens, enabling account takeover and chat message reading in KakaoTalk.
- 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-2023-51219?
CVE-2023-51219 is a critical cross-site scripting vulnerability in n/a, published on 3 Jun 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 deep link validation issue in KakaoTalk 10.4.3 allowed a remote adversary to direct users to run any attacker-controlled JavaScript within a WebView. The impact was further escalated by triggering another WebView that leaked its access token in a HTTP request header. Ultimately, this access token could be used to take over another user's account and read her/his chat messages.
Weakness: CWE-79
Which versions are affected by CVE-2023-51219?
How do I fix CVE-2023-51219?
No fix has been published for CVE-2023-51219 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-2023-51219 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-51219 exists.
Sources
Also known as GHSA-g545-rmg6-689p.