CVE-2023-3707 ActivityPub for WordPress < 1.0.0 - Subscriber+ Arbitrary Post Content Disclosure
Authenticated users can read private or draft post content via IDOR in the ActivityPub WordPress plugin.
- 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-2023-3707?
CVE-2023-3707 is a medium-severity missing authorization vulnerability in Unknown ActivityPub, published on 16 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2023-3707?
It affects 1 product.
Products include Automattic Activitypub.
How do I fix CVE-2023-3707?
No fix has been published for CVE-2023-3707 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-2023-3707 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3707 exists.
Other vulnerabilities in Unknown ActivityPub
- CVE-2026-4338 ActivityPub Routing < 8.0.2 - Unauthenticated Drafts/Scheduled/Pending Posts Disclosure
- CVE-2023-3746 ActivityPub for WordPress < 1.0.1 - Contributor+ Stored XSS
- CVE-2023-5057 ActivityPub for WordPress < 1.0.0 - Contributor+ Stored XSS
- CVE-2023-3706 ActivityPub for WordPress < 1.0.0 - Subscriber+ Arbitrary Post Title Disclosure
Sources
Also known as GHSA-2cc2-mcjj-r4mp.