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CVE-2026-42657— WordPress Contest Gallery plugin <= 28.1.7 - Other Vulnerability Type vulnerability

CVSS 6.5 · Medium EPSS 0.22% · P12

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
Wasiliy StreckerContest Galleryn/a≤ 28.1.7affected
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I. Basic Information for CVE-2026-42657

Vulnerability Information
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Vulnerability Title
WordPress Contest Gallery plugin <= 28.1.7 - Other Vulnerability Type vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Unauthenticated Other Vulnerability Type in Contest Gallery <= 28.1.7 versions.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1284
Source: NVD (National Vulnerability Database)
Vulnerability Title
Wasiliy Strecker Contest Gallery 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Contest Gallery是Wasiliy Strecker个人开发者的一个竞赛管理插件。 Wasiliy Strecker Contest Gallery 28.1.7及之前版本存在输入验证错误漏洞，该漏洞源于未验证其他漏洞类型问题，可能导致未经身份验证的攻击者造成影响。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Wasiliy StreckerContest Gallery n/a ~ 28.1.7 -

II. Public POCs for CVE-2026-42657

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III. Intelligence Information for CVE-2026-42657

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Same Patch Batch · Wasiliy Strecker · 2026-06-15 · 4 CVEs total

CVE-2026-407719.3 CRITICALWordPress Contest Gallery plugin <= 28.1.6 - SQL Injection vulnerability
CVE-2026-426566.5 MEDIUMWordPress Contest Gallery plugin <= 28.1.6 - Cross Site Scripting (XSS) vulnerability
CVE-2026-426606.5 MEDIUMWordPress Contest Gallery plugin <= 28.1.7 - Sensitive Data Exposure vulnerability

IV. Related Vulnerabilities

Same product: Contest Gallery
Same vendor: Wasiliy Strecker
Same weakness: CWE-1284

V. Comments for CVE-2026-42657

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