Answer in brief
CVE-2026-16042 records a Medium severity (CVSS 4.3) vulnerability in LWS Optimize < 3.4 - Subscriber+ Cache Deletion. The current sources do not mark it as known exploited. The current feed maps Unknown/LWS Optimize (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unknown/LWS Optimize (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/LWS Optimizegeneric | >=0 <3.4 | 3.4 |
Published upstream
Aug 2, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-16042 records a Medium severity (CVSS 4.3) vulnerability in LWS Optimize < 3.4 - Subscriber+ Cache Deletion. The current sources do not mark it as known exploited. The current feed maps Unknown/LWS Optimize (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unknown/LWS Optimize (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/LWS Optimizegeneric | >=0 <3.4 | 3.4 |
Published upstream
Aug 2, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.