ActivityPub for WordPress < 1.0.0 - Subscriber+ Arbitrary Post Content Disclosure
CVE-2023-3707

4.3MEDIUM

Key Information:

Vendor

Wordpress
Status
Activitypub
Vendor
CVE Published:
16 October 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-3707?

The ActivityPub WordPress plugin before 1.0.0 does not ensure that post contents to be displayed are public and belong to the plugin, allowing any authenticated user, such as subscriber to retrieve the content of arbitrary post (such as draft and private) via an IDOR vector. Password protected posts are not affected by this issue.

Affected Version(s)

ActivityPub 0 < 1.0.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-3707 - Proof of Concept

References

https://wpscan.com/vulnerability/541bbe4c-3295-4073-901d-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Erwan LR (WPScan)
WPScan
.