CVE-2020-26679 Missing authorization in n/a
Authenticated users can modify other users' profiles and upload malicious files due to missing authorization checks, potentially leading to code execution.
- 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-2020-26679?
CVE-2020-26679 is a medium-severity missing authorization vulnerability in n/a, published on 26 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
vFairs 3.3 is affected by Insecure Permissions. Any user logged in to a vFairs virtual conference or event can modify any other users profile information or profile picture. After receiving any user's unique identification number and their own, an HTTP POST request can be made update their profile description or supply a new profile image. This can lead to potential cross-site scripting attacks on any user, or upload malicious PHP webshells as "profile pictures." The user IDs can be easily determined by other responses from the API for an event or chat room.
Weakness: CWE-639
Which versions are affected by CVE-2020-26679?
It affects 1 product.
Products include Vfairs Vfairs.
How do I fix CVE-2020-26679?
No fix has been published for CVE-2020-26679 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-26679 being exploited?
There is no known exploitation of CVE-2020-26679 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-8xfc-9q6x-h2xp.