Authorization bypass through user-controlled key in ActivityPub - CVE-2023-3706
Published: October 18, 2023
Vulnerability identifier: #VU82205
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-3706
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the affected plugin does not ensure that post titles to be displayed are public and belong to the plugin. A remote user can retrieve the title of arbitrary post via an IDOR vector.
Affected software
ActivityPub
How to mitigate CVE-2023-3706
Install updates from vendor's website.
ActivityPub - update to 1.0.0