CVE-2026-5032 Details.
W3 Total Cache <= 2.9.3 - Unauthenticated Dynamic Security Token Disclosure
Atlas does not check this one. Needs a scripted sequence.
This check is a series of requests where each step depends on the last, often after logging in. Atlas runs single, read-only probes, so it does not run this one.
About CVE-2026-5032. What It Means.
The W3 Total Cache WordPress plugin through version 2.9.3 skips its entire output buffering and processing pipeline whenever an incoming request's User-Agent header contains the string "W3 Total Cache", without authenticating the caller. On sites that use developer-placed dynamic fragment tags, the raw mfunc/mclude HTML comments - which embed the per-site W3TC_DYNAMIC_SECURITY token - are therefore rendered directly into the page source instead of being processed and strippe…
Affected Product. What Is Hit.
- Vendor
- boldgrid
- Product
- Boldgrid W3-TOTAL-CACHE
References. Where To Read More.
- https://github.com/advisories/GHSA-fxg7-rh9m-q77p
- https://plugins.trac.wordpress.org/browser/w3-total-cache/tags/2.9.3/Generic_Plugin.php#L1016
- https://plugins.trac.wordpress.org/changeset/3495959/w3-total-cache
- https://www.wordfence.com/threat-intel/vulnerabilities/id/a65eb62d-847b-4f3a-848b-1290e3118c01?source=cve
- https://nvd.nist.gov/vuln/detail/CVE-2026-5032
FAQ
Common Questions.
W3 Total Cache <= 2.9.3 - Unauthenticated Dynamic Security Token Disclosure. The W3 Total Cache WordPress plugin through version 2.9.3 skips its entire output buffering and processing pipeline whenever an incoming request's User-Agent header contains the string "W3 Total Cache", without authenticating the caller. On sites that use developer-placed dynamic fragment tags, the raw mfunc/mclude HTML comments - which embed the per-site W3TC_DYNAMIC_SECURITY token - are therefore rendered directly into the page source instead of being processed and strippe…
No. This check is a series of requests where each step depends on the last, often after logging in. Atlas runs single, read-only probes, so it does not run this one. The facts about CVE-2026-5032 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-5032 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update Boldgrid W3-TOTAL-CACHE to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-5032. Atlas does not run a check for it, so nothing here says whether a particular site is affected.