Vulnerability · Published Aug 2, 2026 · Assigned by WPScan
CVE-2026-16042LWS Optimize < 3.4 - Subscriber+ Cache Deletion
Medium 4.3
In plain English
A medium-severity missing authorization in LWS Optimize from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 73.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The LWS Optimize WordPress plugin before 3.4 does not perform a capability check on its cache-clearing actions, allowing any authenticated user, including Subscribers, to flush the site's caches and force repeated cache rebuilds.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | LWS Optimize | 0 – before 3.4 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
- https://wpscan.com/vulnerability/0ea45a09-3155-4e47-97f7-f7645d583565/ exploit, vdb-entry, technical-description