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Tool Directory

CVE-2023-4842

MediumPublished

Social Sharing Plugin - Social Warfare <= 4.4.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

Published: Nov 7, 2023
Updated: Apr 8, 2026
Assigning CNA: Wordfence
Evidence observed: Aug 8, 2026

Primary CVSS

6.4/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

0.6%

Low · next 30 days

Percentile: 45.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The Social Sharing Plugin - Social Warfare plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'social_warfare' shortcode in versions up to, and including, 4.4.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Sources

Vuln_Exploitation_MegaQuagga_PentestResearch
Penetration test report for MegaQuagga Publishing documenting a six-phase engagement that chained CVE-2019-9978 and CVE-2023-4842 to achieve unauthenticated Remote Code Execution and a persistent Meterpreter session. Includes full methodology, exploitation evidence, and prioritized remediation recommendations.

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