Deserialization of Untrusted Data Vulnerability in TotalSuite's TotalContest Lite Plugin
CVE-2026-0677

7.2HIGH

Key Information:

Vendor

WordPress
Status
Totalcontest Lite
Vendor
CVE Published:
20 March 2026

What is CVE-2026-0677?

The TotalSuite TotalContest Lite plugin is susceptible to a deserialization of untrusted data vulnerability, specifically allowing for object injection. This security flaw affects versions of the TotalContest Lite plugin from n/a through 2.9.1, posing potential risks to the integrity and security of applications utilizing this plugin. Proper measures, including updates and patches, should be taken to mitigate any associated risks.

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Affected Version(s)

TotalContest Lite <= 2.9.1

References

https://patchstack.com/database/wordpress/plugin/totalcon...
vdb-entry

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

hhhai | Patchstack Bug Bounty Program
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