CVE-2026-16042: CWE-862 Missing Authorization in LWS Optimize
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.
AI Analysis
Technical Summary
The LWS Optimize WordPress plugin versions prior to 3.4 contain a missing authorization check (CWE-862) on its cache-clearing functionality. This flaw permits any authenticated user, regardless of their role or privileges, to trigger cache flushes. The vulnerability does not affect confidentiality or integrity but impacts availability by enabling denial of service through forced cache rebuilds. No official patch or remediation level has been published as of the data provided.
Potential Impact
The vulnerability allows low-privileged authenticated users to repeatedly clear the website cache, potentially degrading site performance and availability. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict authenticated user roles to trusted users only and monitor for unusual cache-clearing activity if possible.
CVE-2026-16042: CWE-862 Missing Authorization in LWS Optimize
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.
CVSS v3.1
Score 4.3medium
Affected software
LWS Optimize
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The LWS Optimize WordPress plugin versions prior to 3.4 contain a missing authorization check (CWE-862) on its cache-clearing functionality. This flaw permits any authenticated user, regardless of their role or privileges, to trigger cache flushes. The vulnerability does not affect confidentiality or integrity but impacts availability by enabling denial of service through forced cache rebuilds. No official patch or remediation level has been published as of the data provided.
Potential Impact
The vulnerability allows low-privileged authenticated users to repeatedly clear the website cache, potentially degrading site performance and availability. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict authenticated user roles to trusted users only and monitor for unusual cache-clearing activity if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-07-17T09:22:18.512Z
- State
- PUBLISHED
Threat ID: 6a6f99c9bf32cb7a344bda1d
Added to database: 08/02/2026, 19:26:01 UTC
Last enriched: 08/10/2026, 14:46:25 UTC
Last updated: 09/15/2026, 10:01:30 UTC
Views: 41
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