CVE-2026-16957Slim SEO < 4.9.11 - Contributor+ Arbitrary Post Meta Disclosure
Updated under an hour ago ()
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It affects Unknown Slim SEO. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 2.7 LOW (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-639
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- WPScan
- NVD analysis
- Deferred
- Record last updated
- Aug 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown Slim SEO unknown:slim_seo (from the name) | before 4.9.11 | CNA record |
References
- https://wpscan.com/vulnerability/08e8c64b-50a4-4865-a33d-275644dcb850/exploit, vdb-entry, technical-description
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.