CVE-2026-16979 SmartCrawl < 3.16.3 - Subscriber+ Private/Draft Post Title Disclosure and Post Meta Key Enumeration
Subscribers can read private post titles and enumerate meta keys due to missing capability checks in SmartCrawl plugin AJAX actions.
- 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-2026-16979?
CVE-2026-16979 is a medium-severity missing authorization vulnerability in Unknown SmartCrawl SEO checker, analyzer & optimizer, published on 19 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The SmartCrawl SEO checker, analyzer & optimizer WordPress plugin before 3.16.3 does not perform capability checks on two of its AJAX actions, allowing users with at least the Subscriber role to read the titles of private and draft posts by ID and to enumerate stored post-meta key names.
Weakness: CWE-639
Which versions are affected by CVE-2026-16979?
How do I fix CVE-2026-16979?
No fix has been published for CVE-2026-16979 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-2026-16979 being exploited?
There is no known exploitation of CVE-2026-16979 in the wild and no public exploit code.
Sources
Also known as GHSA-rx4h-9w25-87vh.