SQL injection in Post Voting System WordPress plugin
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
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-89.
Summary
The Post Voting System WordPress plugin through 1.0 does not properly sanitize and escape a parameter before using it in a SQL query. An unauthenticated remote attacker can perform SQL injection through the id parameter (CWE-89). A public exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
The Post Voting System WordPress plugin through 1.0 does not properly sanitize and escape a parameter before using it in a SQL query, allowing unauthenticated users to perform SQL injection attacks.
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 |
|---|---|---|---|---|---|
| Unknown | Post Voting System | up to 1.0 | — | No fix listed | CNA |
- Post Voting System VendorUnknown Affected up to 1.0 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Post Voting System.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-11 Threatist record created from CVE-2026-89302
- 2026-10-11 Alias added: GHSA-xwx7-jj6g-vhp6
References
Sources
- CVE-2026-89302 · CVE Program
- CVE-2026-89302 · NVD
- FIRST EPSS
- GHSA-xwx7-jj6g-vhp6 · GitHub Advisory Database · CC BY 4.0
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