WordPress TotalContest Lite plugin <= 2.9.1 - PHP Object Injection vulnerability
Priority LOW 30CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-502.
Summary
Deserialization of Untrusted Data vulnerability in TotalSuite TotalContest Lite totalcontest-lite allows Object Injection.This issue affects TotalContest Lite: from n/a through <= 2.9.1.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00242 15th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| TotalSuite | TotalContest Lite | up to 2.9.1 | — | No fix listed | CNA |
- TotalContest Lite VendorTotalSuite Affected up to 2.9.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-0677
- 2026-10-03 Alias added: GHSA-c4qv-frh3-43c3
More TotalSuite vulnerabilities
- TI-2024-12846 Total Contest Lite <= 2.8.1 - Reflected XSS CVSS 3.1MEDIUM 6.1
- TI-2026-21507 WordPress Total Poll Lite plugin <= 4.12.0 - Remote Code Execution (RCE) vulnerability CVSS 3.1CRITICAL 9.9
- TI-2025-17549 WordPress TotalContest Lite Plugin <= 2.8.1 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
- TI-2026-28622 WordPress Total Poll Lite plugin <= 4.12.0 - Broken Access Control vulnerability CVSS 3.1MEDIUM 6.5
- TI-2023-12181 WordPress Total Poll Lite plugin <= 4.8.6 - Broken Access Control vulnerability CVSS 3.1MEDIUM 6.3
- TI-2024-21695 WordPress Total Poll Lite plugin <= 4.9.9 - Broken Access Control vulnerability CVSS 3.1MEDIUM 4.3
Sources
- CVE-2026-0677 · CVE Program
- CVE-2026-0677 · NVD
- FIRST EPSS
- GHSA-c4qv-frh3-43c3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences