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CVE-2026-89288

Fast Courier 5.0.0 - 5.2.3 - Unauthenticated SQLi via 'wp_order_id' Parameter

CVSS score

—

EPSS probability

%0.2

Risk score

—

Published

12 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

CVE-2026-89288: Fast Courier Unauthenticated SQLi Vulnerability

Sources read

2

Source agreement

Tam uyum

Evidence confidence

%63

Short explanation

The Fast Courier WordPress plugin versions 5.0.0 through 5.2.3 do not sanitize and escape the wp_order_id parameter before using it in a SQL query on an unauthenticated REST route, allowing unauthenticated attackers to perform SQL injection.

Why does it matter?

This unauthenticated SQL injection vulnerability allows attackers to read arbitrary data from the database, potentially leading to the exposure of sensitive information.

What should be done?

  • Follow official vendor advisories for the plugin
  • Apply updates when available
Chain of evidence and sources2 verified claims

Fast Courier eklentisinin 5.0.0 ve 5.2.3 sürümleri arasındaki sürümleri SQL injection zafiyetinden etkilenmektedir.

S0 · daybreach-canonicalS1 · cvelist

Zafiyet, kimlik doğrulanmamış bir REST rotasındaki wp_order_id parametresinin sanitize edilmemesinden kaynaklanır.

S0 · daybreach-canonicalS2 · nvd
Show the technical text from the sources

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.

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-89288 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1UnknownFast Courier View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
The sources have not yet published a verified CVSS metric.

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-89288 is associated with the following CWEs:

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CWE-20: Improper Input Validation

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-89288 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Official Sources and Advisories

https://wpscan.com/vulnerability/8b651892-fc8a-4c8b-a04d-5c76b5b85577/vendor-advisory

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

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