CVE-2026-19613 ECS < 4.3.10 - Contributor+ Arbitrary Post Meta Disclosure via Dynamic Repeater ACF Source
Contributor-level users can read private or draft post metadata and custom fields from posts they do not own via the ECS 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-2026-19613?
CVE-2026-19613 is a medium-severity vulnerability in Unknown ECS, published on 16 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The ECS WordPress plugin before 4.3.10 does not perform ownership or post-status checks when one of its dynamic repeater data sources reads custom field values from a user-supplied post identifier, allowing users with a contributor-level account or above to read custom field values and post metadata from posts they do not own, including private and draft ones.
Weakness: CWE-200
Which versions are affected by CVE-2026-19613?
How do I fix CVE-2026-19613?
No fix has been published for CVE-2026-19613 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-19613 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19613 exists.
Sources
Also known as GHSA-4p53-g645-qhr2.