CVE-2026-16957
Low
Description
The Slim SEO WordPress plugin before 4.9.11 does not restrict a post-meta preview feature to posts the user is allowed to edit, verifying only read access, allowing users with the Contributor role to read arbitrary post meta, including protected and private keys, of published posts they do not own, including password-protected posts and posts of non-public post types.
SeverityLow
CVSS2.7
Exploit probability—
Product
Slim SEO
PublishedAug 9, 2026
First seenAug 9, 2026
How to fix
Update
- Slim SEO4.9.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Slim SEO | v < 4.9.11 | 4.9.11 |
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