CVE-2020-26679
low-risk
Published 2021-05-26
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.
Do I need to act?
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0.14% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10
Medium
NETWORK
/ LOW complexity
Affected Products (1)
Vfairs
Affected Vendors
References (8)
Vendor Advisory
http://vfairs.com
Vendor Advisory
https://api.vfairs.com/v1/profiles
Vendor Advisory
https://api.vfairs.com/v1/profiles?access_key=
Third Party Advisory
https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-manageme...
Vendor Advisory
http://vfairs.com
Vendor Advisory
https://api.vfairs.com/v1/profiles
Vendor Advisory
https://api.vfairs.com/v1/profiles?access_key=
Third Party Advisory
https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-manageme...
24
/ 100
low-risk
Severity
18/34 · Moderate
Exploitability
1/34 · Minimal
Exposure
5/34 · Minimal