W3 Total Cache: Stored cross-site scripting
W3 Total Cache: The CVSS vector permits an unauthenticated attacker. Attacker-controlled content is stored and later rendered without adequate neutralization, allowing script to execute in the affected site origin when a user views the output. The export does not identify the victim role, storage field or rendering function. The authoritative export does not name the vulnerable endpoint, request action, parameter or implementation function. Published affected versions: <= 2.10.7.
- Component
- W3 Total Cache
- Plugin slug
w3-total-cache- Affected
- <= 2.10.7
- Safe version
2.11.0- Published
- Oct 24, 2026
This CVE was published Oct 24, 2026 and is one of 26 known issues for this plugin.
Update, patch or deactivate.
Update W3 Total Cache to 2.11.0 or later. Validate permitted input and apply context-appropriate escaping when stored content is rendered. Review stored content for injected script and restrict untrusted editing or submissions until updated.
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
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Bold Grid W3 Total Cache w3-total-cache allows Stored XSS.This issue affects W3 Total Cache: from n/a through 2.10.7.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L