SQL injection in WordPress Post Author plugin
Key facts
- Attack vector
- Network
- Privileges required
- High
- 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 · CNA. Fix status from CNA. Impact type from CWE-89.
Summary
The wp-post-author plugin for WordPress contains an SQL injection flaw (CWE-89) where special characters in an SQL command are not neutralized. An authenticated remote attacker with high privileges can exploit this to affect database queries. The issue affects wp-post-author from 0 before 4.1.0.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Improper neutralization of special elements used in an SQL command ('SQL injection') vulnerability in wp-post-author. This issue affects wp-post-author before 4.1.0.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | wp-post-author | before 4.1.0 | 4.1.0 | Patch available | CNA |
- wp-post-author Vendor— Affected before 4.1.0 Fixed in 4.1.0 Patch available CNA
Remediation
Update wp-post-author to version 4.1.0 or later, which fixes the issue.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA wp-post-author Fixed in 4.1.0
Timeline
- 2026-10-09 Threatist record created from CVE-2026-108124
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences