CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
34.5%
In AVideo, a normal user can make a Meeting Schedule where the user can invite another user in that Meeting, but I found out that it did not properly sanitize the malicious characters when creating a Meeting Room. This leads the attacker to put malicious scripts.
Impact:
Since any USER including the ADMIN can see the meeting room that was created by the attacker this can lead to cookie hijacking and takeover of any accounts without user interaction.
Step to Reproduce:
https://demo.avideo.com/plugin/Meet/
Example: "><img src>
Then click Save
Now as ADMIN go to Meet -> Schedule -> Upcoming
https://demo.avideo.com/plugin/Meet/
Video POC: https://youtu.be/Nke0Bmv5F-o