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CVE-2026-18666— Library Management System < 3.6.7 - Subscriber+ SQL Injection via Filter Value

Quick assessment

Affected
Unknown Library Management System
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.

WordPress Library Management System是WordPress基金会开源的一款图书馆管理插件。 WordPress Library Management System 3.6.7之前版本存在安全漏洞，该漏洞源于未对用户提供的参数进行清理和转义，导致具有Subscriber等低权限的用户可执行SQL注入，提取数据库中的任意数据，包括用户密码哈希。

AI Predicted 8.8 Difficulty: Easy EPSS 0.27% · P18

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Library Management System < 3.6.7 affected
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I. Basic Information for CVE-2026-18666

Vulnerability Information
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Vulnerability Title
Library Management System < 3.6.7 - Subscriber+ SQL Injection via Filter Value
Source: CVE Program / CVE List V5
Vulnerability Description
The Library Management System WordPress plugin before 3.6.7 does not sanitize and escape a user-supplied parameter before using it in a SQL statement, allowing users with a role as low as Subscriber to perform SQL injection and extract arbitrary data from the database, including user password hashes.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Library Management System 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Library Management System是WordPress基金会开源的一款图书馆管理插件。 WordPress Library Management System 3.6.7之前版本存在安全漏洞，该漏洞源于未对用户提供的参数进行清理和转义，导致具有Subscriber等低权限的用户可执行SQL注入，提取数据库中的任意数据，包括用户密码哈希。
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
Unknown Library Management System 0 ~ 3.6.7 -

II. Public POCs for CVE-2026-18666

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III. Intelligence Information for CVE-2026-18666

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Vendor Advisories for CVE-2026-18666 (1)

Same Patch Batch · Unknown · 2026-08-10 · 48 CVEs total

CVE-2026-17020 Salon Booking System – Free Version <= 10.31.0 - Subscriber+ Arbitrary Booking PII Disclos
CVE-2026-17023 Salon Booking System – Free Version <= 10.30.33 - Unauthenticated Google Calendar Connecti
CVE-2026-18786 CheckView < 2.3.2 - Administrator Account Creation via REST API Authentication Bypass
CVE-2026-14293 Autopay / Blue Media for WooCommerce < 5.0.1 - Unauthenticated Stored XSS via CSS Editor
CVE-2026-19075 All-in-One Video Gallery < 4.9.2 - Subscriber+ Server-Side Request Forgery via 'vdl' Param
CVE-2026-19074 Advanced Classifieds & Directory Pro < 3.4.3 - Unauthenticated Non-Public Listing Custom F
CVE-2026-19089 Product Input Fields for WooCommerce < 2.0.2 - Unauthenticated Arbitrary File Upload
CVE-2026-19077 Copy & Delete Posts < 1.5.5 - Authenticated Arbitrary Post Deletion via Missing Object-Lev
CVE-2026-14238 Vitepos < 3.6.0 - Admin+ SQL Injection via product-details-report
CVE-2026-17021 Salon Booking System – Free Version < 10.30.34 - Unauthenticated Arbitrary Booking Total T
CVE-2026-17022 Salon Booking System – Free Version < 10.30.34 - Unauthenticated Booking Information Discl
CVE-2026-14211 Amelia Pro < 9.7 - Provider+ Arbitrary Customer Data Disclosure and Modification via IDOR
CVE-2026-19053 ProSolution WP Client < 2.0.6 - Unauthenticated Blind SQLi via 'jobID' Parameter
CVE-2026-19049 ProSolution WP Client < 2.0.9 - Unauthenticated SQLi and Plugin Data Deletion via 'removes
CVE-2026-18960 Block User Account < 2.0.1 - Subscriber+ Account Block Bypass via Application Passwords
CVE-2026-18946 Contact Form to Any API < 3.0.7 - Unauthenticated Sensitive File Disclosure via Predictabl
CVE-2026-18934 RSS Aggregator by Feedzy < 5.2.6 - Author+ Cross-User Import Job Manipulation and Post Del
CVE-2026-15229 Pinpoint Booking System <= 2.9.9.7.1 - Unauthenticated Arbitrary Booking Price Manipulatio
CVE-2026-16949 Term Pages < 2.0.0 - Unauthenticated SQL Injection via tp_lookup
CVE-2026-16985 Squeeze < 1.7.12 - Author+ Arbitrary File Upload

Showing top 20 of 48 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Library Management System
Same vendor: Unknown

V. Comments for CVE-2026-18666

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