W3 Total Cache: A security weakness
W3 Total Cache 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 2.9.1.
- Component
- W3 Total Cache
- Plugin slug
w3-total-cache- Affected
- n/a through 2.9.1
- Safe version
2.9.2- Published
- Jun 17, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Jun 17, 2026 and is one of 19 known issues for this plugin.
Update, patch or deactivate.
Update W3 Total Cache to 2.9.2 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
Author Broken Access Control in W3 Total Cache <= 2.9.1 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L