Slim SEO: A security weakness
Slim SEO is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is n/a through 4.6.2.
- Component
- Slim SEO
- Plugin slug
slim-seo- Affected
- n/a through 4.6.2
- Safe version
4.7.0- Published
- Jun 25, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Jun 25, 2026 and is one of 4 known issues for this plugin.
Update, patch or deactivate.
Update Slim SEO to 4.7.0 or later, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Contributor Broken Access Control in Slim SEO <= 4.6.2 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N