CVE-2026-0677
Deserialization Object Injection in TotalContest Lite
Publication date: 2026-03-20
Last updated on: 2026-04-01
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totalsuite | totalcontest_lite | to 2.9.1 (inc) |
| patchstack | totalcontest_lite | From 2.9.1 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-502 | The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-0677 is a vulnerability in the WordPress TotalContest Lite Plugin (version 2.9.1 and earlier) that allows PHP Object Injection. This means an attacker can inject malicious PHP objects into the application, potentially leading to harmful actions.
- The vulnerability arises from deserialization of untrusted data.
- It can enable attackers to perform code injection, SQL injection, path traversal, and denial of service attacks if a suitable Property Oriented Programming (POP) chain is available.
- It is classified under the OWASP Top 10 category A3: Injection.
How can this vulnerability impact me? :
This vulnerability can have several serious impacts if exploited:
- Attackers may execute arbitrary code on the affected system.
- It can lead to SQL injection, potentially compromising the database.
- Path traversal attacks could allow attackers to access unauthorized files.
- Denial of service attacks may disrupt the availability of the service.
The CVSS score of 7.2 indicates a moderate severity, but exploitation is considered unlikely and the impact is rated low priority by Patchstack.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
There is no specific information provided about detection methods or commands to identify this vulnerability on your network or system.
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation involves updating the TotalContest Lite plugin to a version later than 2.9.1 if available.
If updating is not possible, users are advised to seek assistance from their hosting provider or web developer.