Plattform
wordpress
Komponente
social-warfare
Behoben in
3.5.3
CVE-2021-4434 is a critical Remote Code Execution (RCE) vulnerability discovered in the Social Warfare plugin for WordPress. This vulnerability allows attackers to execute arbitrary code on a vulnerable server, potentially leading to complete system compromise. It affects versions of the plugin up to and including 3.5.2, with a fix available in version 3.5.3.
The impact of CVE-2021-4434 is severe. An attacker exploiting this vulnerability can execute arbitrary code on the web server hosting the WordPress site. This could involve gaining unauthorized access to sensitive data, modifying website content, installing malware, or even taking complete control of the server. The attacker could potentially pivot from the compromised WordPress site to other systems on the same network, expanding the scope of the attack. Given the plugin's popularity, a large number of WordPress sites are potentially at risk.
CVE-2021-4434 was publicly disclosed on January 17, 2024. While no active exploitation campaigns have been definitively confirmed, the vulnerability's ease of exploitation and the plugin's widespread use make it a high-priority target. Public proof-of-concept (PoC) code is likely to emerge, increasing the risk of exploitation. This vulnerability has not been added to the CISA KEV catalog as of this writing.
Websites using the Social Warfare plugin, particularly those running older versions (≤3.5.3), are at significant risk. Shared hosting environments are especially vulnerable, as a compromise of one website can potentially impact others on the same server. Sites with limited security monitoring or outdated WordPress installations are also at higher risk.
• wordpress / composer / npm:
wp plugin list | grep Social Warfare• wordpress / composer / npm:
wp plugin update --all• wordpress / composer / npm:
grep 'swp_url' /var/www/wordpress/wp-content/plugins/social-warfare/includes/shortcodes.phpdisclosure
Exploit-Status
EPSS
7.99% (92% Perzentil)
CVSS-Vektor
The primary mitigation for CVE-2021-4434 is to immediately upgrade the Social Warfare plugin to version 3.5.3 or later. If upgrading is not immediately possible due to compatibility issues or breaking changes, consider temporarily disabling the plugin to prevent exploitation. Web application firewalls (WAFs) can be configured to filter requests containing malicious payloads targeting the 'swp_url' parameter. Monitor WordPress logs for suspicious activity related to the plugin, such as unusual file modifications or unexpected process executions.
Aktualisieren Sie das Social Warfare Plugin auf Version 3.5.3 oder höher. Diese Version enthält die Korrektur für die Remote Code Execution Vulnerability. Sie können das Plugin direkt über das WordPress Admin-Panel aktualisieren.
Schwachstellenanalysen und kritische Warnungen direkt in deinen Posteingang.
CVE-2021-4434 is a critical Remote Code Execution vulnerability in the Social Warfare WordPress plugin, allowing attackers to execute code on the server via the 'swp_url' parameter.
You are affected if you are using Social Warfare plugin versions 3.5.3 or earlier. Upgrade immediately to mitigate the risk.
Upgrade the Social Warfare plugin to version 3.5.3 or later. If immediate upgrade is not possible, disable the plugin temporarily.
While no confirmed active exploitation campaigns are currently known, the vulnerability's severity and ease of exploitation make it a likely target.
Refer to the Social Warfare plugin website and WordPress.org plugin repository for the latest security advisories and updates.
Lade deine Abhängigkeitsdatei hoch und erfahre sofort, ob dich diese und andere CVEs treffen.
Lade deine Abhängigkeitsdatei hoch und erfahre sofort, ob dich diese und andere CVEs treffen.