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TI-2026-73772 Aliases CVE-2026-89288GHSA-v47c-mj7g-mcvr

SQL injection in Fast Courier WordPress plugin lets attackers read database

Priority MEDIUM 43CWE-89Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
SQL injection
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-89.

Summary

The Fast Courier WordPress plugin from 5.0.0 before 5.2.4 does not sanitize and escape a value before using it in a SQL query on an unauthenticated REST route. An unauthenticated remote attacker can inject SQL (CWE-89) and read arbitrary data from the database. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00345 28th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Fast Courier (Unknown): 5.2.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownFast Courier5.0.0 to before 5.2.45.2.4Patch availableCNA
  • Fast Courier VendorUnknown Affected 5.0.0 to before 5.2.4 Fixed in 5.2.4 Patch available CNA

Remediation

Update Fast Courier to version 5.2.4.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Fast Courier (Unknown) Fixed in 5.2.4

Timeline

  1. 2026-10-14 Threatist record created from CVE-2026-89288
  2. 2026-10-14 Alias added: GHSA-v47c-mj7g-mcvr
  3. 2026-10-16 CVSS score added · CISA ADP
  4. 2026-10-16 Weakness changed · CISA ADP
  5. 2026-10-16 CISA SSVC decision points changed
  6. 2026-10-16 Priority changed: LOW → MEDIUM

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences