CVE-2024-33905 Cross-site scripting in n/a
Attackers can execute arbitrary scripts in Telegram WebK via crafted Mini Web Apps, potentially compromising user accounts.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-33905?
CVE-2024-33905 is a medium-severity cross-site scripting vulnerability in n/a, published on 29 Apr 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In Telegram WebK before 2.0.0 (488), a crafted Mini Web App allows XSS via the postMessage web_app_open_link event type.
Weakness: CWE-79
Which versions are affected by CVE-2024-33905?
How do I fix CVE-2024-33905?
No fix has been published for CVE-2024-33905 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-2024-33905 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-33905 exists.
Sources
Also known as GHSA-4vm2-7x6p-rxmc.