CVE-2026-0677 | TotalSuite TotalContest Lite Plugin up to 2.9.1 on WordPress deserialization

VDB-352052 · CVE-2026-0677 · GCVE-0-2026-0677 TOTALSUITE TOTALCONTEST LITE PLUGIN UP TO 2.9.1 ON WORDPRESS DESERIALIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.9 $0-$5k 1.85+ Summaryinfo A vulnerability categorized as problematic has been discovered in TotalSuite TotalContest Lite Plugin up to 2.9.1 on WordPress. This affects an unknown function. Such manipulation leads to deserialization. This vulnerability is uniquely identified as CVE-2026-0677. The attack can be launched remotely. No exploit exists. Detailsinfo A vulnerability was found in TotalSuite TotalContest Lite Plugin up to 2.9.1 on WordPress. It has been rated as problematic. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. CVE summarizes: Deserialization of Untrusted Data vulnerability in TotalSuite TotalContest Lite allows Object Injection.This issue affects TotalContest Lite: from n/a through 2.9.1. The weakness was disclosed by Hhhai. The advisory is shared for download at patchstack.com. This vulnerability is handled as CVE-2026-0677 since 01/07/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/20/2026). There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type WordPress Plugin Vendor TotalSuite Name TotalContest Lite Plugin Version 2.9.0 2.9.1 CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.9 VulDB Meta Temp Score: 5.9 VulDB Base Score: 4.7 VulDB Temp Score: 4.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.2 CNA Vector (Patchstack): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Deserialization CWE: CWE-502 / CWE-20 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 01/07/2026 CVE reserved 03/20/2026 +72 days Advisory disclosed 03/20/2026 +0 days VulDB entry created 03/20/2026 +0 days VulDB entry last update Sourcesinfo Advisory: patchstack.com Researcher: Hhhai Status: Not defined CVE: CVE-2026-0677 (🔒) GCVE (CVE): GCVE-0-2026-0677 GCVE (VulDB): GCVE-100-352052 Entryinfo Created: 03/20/2026 11:02 Changes: 03/20/2026 11:02 (63) Complete: 🔍 Cache ID: 99:AC1:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸