What is the CVSS score of CVE-2026-22357?

CVE-2026-22357 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

Which versions of Spencer Haws Link Whisper Free are affected by CVE-2026-22357?

A Cross-Site Scripting (XSS) vulnerability in Link Whisper Free plugin (version 0.9.0 and earlier) allows attackers to inject malicious code that executes in users' browsers, potentially compromising…

How to fix or mitigate CVE-2026-22357?

Within 24 hours: Audit all installations of Link Whisper Free and document affected systems; disable the plugin immediately if not critical to operations. Within 7 days: Implement WAF rules to block suspicious input patterns targeting the plugin; review access logs for exploitation attempts; consider alternative link management solutions. Within 30 days: Establish a plugin replacement or upgrade plan; implement input validation controls at the application layer; conduct security awareness training for administrators on XSS risks.

Spencer Haws Link Whisper Free CVE-2026-22357

HIGH

Cross-site Scripting (XSS) (CWE-79)

2026-02-20 audit@patchstack.com

XSS

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:04 vuln.today

CVE Published

Feb 20, 2026 - 16:22 nvd

HIGH 7.1

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Spencer Haws Link Whisper Free link-whisper allows Reflected XSS.This issue affects Link Whisper Free: from n/a through <= 0.9.0.

AnalysisAI

Reflected cross-site scripting in Link Whisper Free through version 0.9.0 allows unauthenticated attackers to inject malicious scripts into web pages viewed by other users. Exploitation requires user interaction (clicking a malicious link) but can lead to session hijacking, credential theft, and unauthorized actions performed on behalf of victims. No patch is currently available.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Spencer Haws Link Whisper Free link-whisper. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Spencer Haws Link Whisper Free link-whisper allows Reflected XSS.This issue affects Link Whisper Free: from n/a through <= 0.9.0.

Affected ProductsAI

Product: Spencer Haws Link Whisper Free link-whisper.

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.