Answer in brief
CVE-2026-18943 records a Medium severity (CVSS 6.5) vulnerability in WPC Admin Columns < 2.3.4 - Subscriber+ Arbitrary User/Post/Term Meta Disclosure. The current sources do not mark it as known exploited. The current feed maps Unknown/WPC Admin Columns (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 6.5. 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/WPC Admin Columns (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/WPC Admin Columnsgeneric | >=0 <2.3.4 | 2.3.4 |
Published upstream
Aug 12, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 12, 2026
The WPC Admin Columns WordPress plugin before 2.3.4 does not have authorisation checks in one of its AJAX actions, allowing users with a role as low as subscriber to read arbitrary user, post and term metadata, including data belonging to administrators.
Quoted source text, attributed separately from HOL analysis.