External risk intelligence

WordPress Social Warfare Plugin Cross-Site Scripting Vulnerability.

CVE advisoryKnown Exploit

CVE-2019-9978

The Social Warfare and Social Warfare Pro WordPress plugins contain a stored cross-site scripting vulnerability. This flaw could allow an attacker to inject malicious scripts, potentially leading to unauthorized actions or data compromise. This vulnerability has been exploited in the wild.

4Halo Surface Signal

Cross-site Scripting

Warfareplugins Social Warfare

before 3.5.3

External exposure likelihood

Halo Surface Signal score for CVE-2019-9978

The vulnerability exists in a WordPress plugin. WordPress sites are web-based applications that are, by design, publicly accessible via the internet. Plugins extend the functionality of these public-facing web applications, making this component a common part of the exposed attack surface for a standard web deployment.

Horizon Alert

Summary of the vulnerability and why it matters

The Social Warfare and Social Warfare Pro plugins for WordPress contain a flaw that allows attackers to inject malicious code through specific URL parameters. This injection can occur when a user visits a specially crafted link, potentially leading to unauthorized actions within the affected WordPress site. The impact on an organization could include compromise of sensitive data or disruption of website operations.

  • Vulnerable: Social Warfare plugins for WordPress
  • Core weakness: Stored Cross-Site Scripting (XSS)
  • Main business impact: Data compromise, operational disruption

Attack Path

How an attacker could exploit the issue

This vulnerability arises from an exposure within a WordPress plugin, specifically through a debug parameter in its administrative interface. Attackers can leverage this exposure to gain access. The attack involves tricking a user into interacting with a malicious link, which then allows the attacker to execute commands. This can lead to unauthorized access and control over the affected system.

  • Exposure via a debug URL parameter.
  • Attacker gains access through a user interaction.
  • Triggering action leads to control.

Live Threat

Current exploitation, exposure, and threat context

The Social Warfare WordPress plugin, specifically versions prior to 3.5.3, contains a stored cross-site scripting vulnerability. This flaw could allow an attacker to execute malicious code within a user's browser. The vulnerability was actively exploited in the wild.

  • Likely attacker skill level: Low
  • Required access or conditions: Publicly accessible website with vulnerable plugin
  • Business risk or urgency: High

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

The Social Warfare and Social Warfare Pro plugins for WordPress have a stored cross-site scripting vulnerability. This vulnerability allows attackers to inject malicious scripts into a website, potentially leading to unauthorized actions or data compromise. This issue has been exploited in the wild.

  • Find affected WordPress assets.
  • Reduce exposure or isolate risk.
  • Fix, verify, and monitor.

Frequently asked questions

What is the Social Warfare plugin for WordPress?

The Social Warfare plugin is an add-on for WordPress websites that helps users share content from their site to social media platforms. It offers features to enhance social sharing capabilities and is used by both the standard and Pro versions of Social Warfare.

How does CVE-2019-9978 create a weakness?

CVE-2019-9978 is a stored Cross-Site Scripting (XSS) vulnerability. This means attackers can inject malicious scripts into the website that are then stored and can be executed by other users' browsers when they interact with the site.

What are the conditions for an attacker to exploit this vulnerability?

An attacker can exploit this vulnerability by tricking a user into clicking a specially crafted link. This link targets a debug parameter within the WordPress administrative interface (wp-admin/admin-post.php) and, if the user clicks it, the malicious script can be executed.

Who should be concerned about this CVE-2019-9978 threat?

Organizations running WordPress websites with the Social Warfare or Social Warfare Pro plugins are at risk. Since WordPress sites are often internet-facing, this vulnerability can be targeted by external actors, making it a concern for public-facing web applications.

What is the first step to address this vulnerability?

The initial step is to identify all WordPress assets that use the Social Warfare or Social Warfare Pro plugins. Once identified, you should take measures to reduce their exposure or isolate them from potential threats, followed by applying necessary fixes and ongoing monitoring.

References