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CVE-2026-85309— WordPress Ultimate Maps by Supsystic plugin <= 1.5.3 - Broken Access Control vulnerability

Quick assessment

Affected
Supsystic Ultimate Maps by Supsystic
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

supsystic Ultimate Maps by Supsystic是supsystic公司的一款可创建和管理自定义地图的网站插件。 supsystic Ultimate Maps by Supsystic 1.5.3及之前版本存在授权问题漏洞，该漏洞源于缺少授权机制，可能导致攻击者利用配置错误的访问控制安全级别。

CVSS 5.3 · Medium EPSS 0.18% · P7

Affected Version Matrix 1

VendorProduct Version RangeStatus
Supsystic Ultimate Maps by Supsystic n/a≤ 1.5.3 affected
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I. Basic Information for CVE-2026-85309

Vulnerability Information
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Vulnerability Title
WordPress Ultimate Maps by Supsystic plugin <= 1.5.3 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authorization vulnerability in Supsystic Ultimate Maps by Supsystic allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Ultimate Maps by Supsystic: from n/a through 1.5.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
supsystic Ultimate Maps by Supsystic 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
supsystic Ultimate Maps by Supsystic是supsystic公司的一款可创建和管理自定义地图的网站插件。 supsystic Ultimate Maps by Supsystic 1.5.3及之前版本存在授权问题漏洞，该漏洞源于缺少授权机制，可能导致攻击者利用配置错误的访问控制安全级别。
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

Vendor Product Affected Versions CPE Subscribe
Supsystic Ultimate Maps by Supsystic n/a ~ 1.5.3 -

II. Public POCs for CVE-2026-85309

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III. Intelligence Information for CVE-2026-85309

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Other References for CVE-2026-85309 (1)

IV. Related Vulnerabilities

Same product: Ultimate Maps by Supsystic
Same vendor: Supsystic
Same weakness: CWE-862

V. Comments for CVE-2026-85309

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