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Link Library EUVDEUVD-2026-54732

| CVE-2026-16535 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-08-08 WPScan GHSA-gqp5-7wwf-v82x
XSS WordPress Link Library
6.1
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
vuln.today AI
6.1 MEDIUM

Network-delivered reflected XSS requires active victim interaction (UI:R) and executes in victim browser context crossing security boundary (S:C); no attacker authentication or special configuration needed.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

5
Analysis Generated
Aug 10, 2026 - 22:41 vuln.today
CVSS changed
Aug 10, 2026 - 20:22 NVD
6.1 (MEDIUM)
Patch available
Aug 08, 2026 - 07:01 EUVD
CVE Published
Aug 08, 2026 - 06:00 cve.org
MEDIUM 6.1
CVE Published
Aug 08, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

The Link Library WordPress plugin before 7.9.4 does not sanitise and escape a parameter before reflecting it back in a response, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting attacks against users who can be tricked into performing an action.

AnalysisAI

Reflected XSS in the Link Library WordPress plugin before 7.9.4 allows unauthenticated remote attackers to inject and execute arbitrary JavaScript in a victim's browser by tricking them into visiting a crafted URL containing an unsanitized parameter. The CVSS scope is Changed (S:C), meaning attacker-controlled script runs in the victim's browsing context, enabling session theft or privilege escalation against logged-in WordPress users. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify WordPress site with Link Library plugin installed
Delivery
Craft malicious URL embedding JavaScript payload in vulnerable parameter
Exploit
Deliver URL to target victim via phishing or social engineering
Execution
Victim clicks crafted URL
Persist
Browser reflects unsanitized parameter and executes injected script
Impact
Steal session cookie or perform authenticated actions as victim
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Vulnerability AssessmentAI

Exploitation The Link Library WordPress plugin must be installed and active on the target site, running a version below 7.9.4. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 6.1 Medium rating correctly reflects limited per-impact severity (C:L/I:L) despite a Changed scope and no required authentication from the attacker. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker identifies a WordPress site running Link Library below 7.9.4, crafts a URL targeting the vulnerable parameter with an embedded JavaScript payload (e.g., a cookie-stealing script), and delivers it to a logged-in WordPress administrator via a phishing email. When the administrator clicks the link, their browser executes the attacker's script in the site's origin context, allowing the attacker to exfiltrate the session cookie and hijack the administrative session. …
Remediation Update the Link Library WordPress plugin to version 7.9.4 or later, which introduces proper sanitization and output escaping of the affected parameter; this is a vendor-released patch confirmed available. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-54732 vulnerability details – vuln.today
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