CVE-2026-0677 PUBLISHED

WordPress TotalContest Lite plugin <= 2.9.1 - PHP Object Injection vulnerability

Assigner: Patchstack
Reserved: 07.01.2026 Published: 20.03.2026 Updated: 20.03.2026

Deserialization of Untrusted Data vulnerability in TotalSuite TotalContest Lite allows Object Injection.This issue affects TotalContest Lite: from n/a through 2.9.1.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 7.2

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	TotalSuite
Product	TotalContest Lite
Versions	Default: unaffected affected from n/a to 2.9.1 (incl.)

Credits

hhhai | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/totalcontest-lite/vulnerability/wordpress-totalcontest-lite-plugin-2-9-1-php-object-injection-vulnerability?_s_id=cve

Problem Types

CWE-502 Deserialization of Untrusted Data CWE

Impacts

CAPEC-586 Object Injection