CVE-2024-50346 WebFeed HTML injection vulnerabilities
Remote attackers can inject HTML into WebFeed browser extension pages to execute CSRF attacks and spoof UI, potentially hijacking user sessions.
- 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-2024-50346?
CVE-2024-50346 is a medium-severity cross-site scripting vulnerability in taoso webfeed, published on 4 Nov 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
WebFeed is a lightweight web feed reader extension for Firefox/Chrome. Multiple HTML injection vulnerabilities in WebFeed can lead to CSRF and UI spoofing attacks. A remote attacker can provide malicious RSS feeds and attract the victim user to visit it using WebFeed. The attacker can then inject malicious HTML into the extension page and fool the victim into sending out HTTP requests to arbitrary sites with the victim's credentials. Users are vulnerable to CSRF attacks when visiting malicious RSS feeds via WebFeed. Unwanted actions could be executed on the user's behalf on arbitrary websites. This issue has been addressed in release version 0.9.2. All users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2024-50346?
How do I fix CVE-2024-50346?
No fix has been published for CVE-2024-50346 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-2024-50346 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-50346 exists.
Sources
Also known as GHSA-mrc7-2q3w-48j8.