CVE-2025-2889 - CVE House

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Status published Medium CVE-2025-2889

Link Library <= 7.7.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Link Additional Parameters

6.4 CVSS

Vulnerability Description

The Link Library plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Link Additional Parameters in all versions up to, and including, 7.7.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Siavash Vaez Afshar

References

More from jackdewey

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Community Events <= 1.5.6 - Missing Authorization to Unauthenticated Arbitrary Event Approval via 'eventlist' Parameter

Community Events <= 1.5.4 - Unauthenticated SQL Injection

Community Events <= 1.5.2 - Unauthenticated Stored Cross-Site Scripting

Community Events <= 1.5.1 - Unauthenticated SQL Injection

Community Events <= 1.5.1 - Unauthenticated SQL Injection

Affected Vendor

jackdewey

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Affected Software

Link Library

Vulnerable Versions:

0

Timeline

Official Publish: April 4th, 2025

Last Modified: April 8th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement