CVE-2021-25093— Link Library < 7.2.8 - Unauthenticated Arbitrary Links Deletion
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I. Basic Information for CVE-2021-25093
Vulnerability Information
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Vulnerability Title
Link Library < 7.2.8 - Unauthenticated Arbitrary Links Deletion
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Link Library WordPress plugin before 7.2.8 does not have authorisation in place when deleting links, allowing unauthenticated users to delete arbitrary links via a crafted request
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress plugin是WordPress开源的一个应用插件。 WordPress plugin Link Library plugin 7.2.8 之前版本存在安全漏洞，该漏洞源于在删除链接时没有授权，允许未经身份验证的用户通过精心设计的请求删除任意链接。
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 | Link Library | 7.2.8 ~ 7.2.8 | - |
II. Public POCs for CVE-2021-25093
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Unknown · 2022-02-01 · 18 CVEs total
| CVE-2021-24983 | Asset CleanUp < 1.3.8.5 - Reflected Cross-Site Scripting via AJAX Action | |
| CVE-2022-0320 | Essential Addons for Elementor < 5.0.5 - Unauthenticated LFI | |
| CVE-2022-0220 | WordPress GDPR & CCPA < 1.9.27 - Unauthenticated Reflected Cross-Site Scripting | |
| CVE-2021-25092 | Link Library < 7.2.8 - Library Settings Reset via CSRF | |
| CVE-2021-25091 | Link Library < 7.2.9 - Reflected Cross-Site Scripting | |
| CVE-2021-25089 | UpdraftPlus < 1.16.69 - Reflected Cross-Site Scripting | |
| CVE-2021-25085 | WOOF - Products Filter for WooCommerce < 1.2.6.3 - Reflected Cross-Site Scripting | |
| CVE-2021-25072 | NextScripts: Social Networks Auto-Poster < 4.3.25 - Arbitrary Post Deletion via CSRF | |
| CVE-2021-25063 | Contact Form 7 Skins < 2.5.1 - Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-25097 | LabTools <= 1.0 - Subscriber+ Arbitrary Publication Deletion | |
| CVE-2021-24975 | NextScripts: Social Networks Auto-Poster < 4.3.24 - Unauthenticated Stored XSS | |
| CVE-2021-24944 | Custom Dashboard & Login Page < 7.0 - Admin+ Stored Cross-Site Scripting | |
| CVE-2021-24937 | Asset CleanUp < 1.3.8.5 - Reflected Cross-Site Scripting | |
| CVE-2021-24934 | Visual CSS Style Editor < 7.5.4 - Reflected Cross-Site Scripting | |
| CVE-2021-24900 | Ninja Tables < 4.1.8 - Admin+ Stored Cross-Site Cross-Site Scripting | |
| CVE-2021-24762 | Perfect Survey < 1.5.2 - Unauthenticated SQL Injection | |
| CVE-2021-24761 | Error Log Viewer < 1.1.2 - Arbitrary Text File Deletion via CSRF |
IV. Related Vulnerabilities
Same product: Link Library
- CVE-2025-68600
WordPress Link Library plugin <= 7.8.7 - Server Side Request - CVE-2025-46237
WordPress Link Library plugin <= 7.8 - Cross Site Scripting - CVE-2025-2889
Link Library <= 7.7.3 - Authenticated (Contributor+) Stored - CVE-2024-13404
Link Library <= 7.7.2 - Reflected Cross-Site Scripting - CVE-2024-38711
WordPress Link Library plugin <= 7.7.1 - Reflected Cross Sit
Same vendor: Unknown
- CVE-2026-6433
Custom CSS JS PHP <= 2.0.7 - Unauthenticated SQL Injection t - CVE-2026-4935
SureTriggers < 1.1.23 – Unauthenticated SQLi - CVE-2026-5335
Magic Export & Import < 1.2.0 - Unauthenticated PII Disclosu - CVE-2026-5337
Frontend File Manager Plugin <= 23.6 - Subscriber+ Arbitrary - CVE-2026-5306
Check & Log Email < 2.0.13 - Unauthenticated Stored XSS
Same weakness: CWE-862
- CVE-2021-47932
WordPress TheCartPress 1.5.3.6 Privilege Escalation Unauthen - CVE-2025-15634
HCL BigFix WebUI is affected by a missing authorization vuln - CVE-2026-42297
Argo Workflows Is Missing Authorization in Sync ConfigMap Pr - CVE-2026-42174
Kirby: User avatar creation, replacement and deletion are no - CVE-2026-42137
Kirby: `pages.access/list` and `files.access/list` permissio
V. Comments for CVE-2021-25093
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