Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L H N U L N N 2.7 .0018 7.7 —
AFFECTED Product Versions Fixed Slim SEO unspecified —
TIMELINE Jul 24 Reserved by WPScan Aug 9 Published (CNA: WPScan) Aug 10 EXPLOIT PUBLISHED — CVE-2026-16957 (Unknown Slim SEO). Public exploit reference added.
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.
| Date | Event | Detail |
|---|---|---|
| July 24, 2026 | Reserved | Reserved by WPScan |
| August 9, 2026 | Published | Published (CNA: WPScan) |
| August 10, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-16957 (Unknown Slim SEO). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Unknown | Slim SEO | — | — | — |
Authoritative record: CVE-2026-16957 at cve.org
Weaknesses: CWE-639
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-16957 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.