Answer in brief
CVE-2026-89288 records a Unknown severity vulnerability in Fast Courier 5.0.0 - 5.2.3 - Unauthenticated SQLi via 'wp_order_id' Parameter. The current sources do not mark it as known exploited. The current feed maps Unknown/Fast Courier (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. 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/Fast Courier (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Fast Couriergeneric | >=5.0.0 <5.2.4 | 5.2.4 |
Published upstream
Oct 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 14, 2026
The Fast Courier WordPress plugin before 5.2.4 does not sanitize and escape a value before using it in a SQL query on an unauthenticated REST route, allowing unauthenticated attackers to perform SQL injection and read arbitrary data from the database.
Quoted source text, attributed separately from HOL analysis.