A Cross-Site Scripting (XSS) vulnerability has been identified in the WordPress Click To Tweet Plugin. This vulnerability could allow an attacker to inject malicious scripts into the affected website, potentially compromising the security of the website and its visitors.

This vulnerability was discovered and responsibly reported by thiennv.

The vulnerability is an XSS vulnerability that occurs in the click-to-tweet.php file. The vulnerability allows an attacker to inject malicious scripts into the affected website by exploiting a flaw in the way that the plugin handles user input.


The vulnerability has a CVSS 3.1 score of 7.1, which is considered to be high. This means that the vulnerability is likely to be exploited and could have a significant impact on the affected system.

Affected Versions:

Unfortunately, there is currently no patched version available to rectify this vulnerability within the Click To Tweet Plugin. This situation leaves websites that utilize this plugin susceptible to potential security breaches.


An attacker who successfully exploits this vulnerability could inject malicious scripts into the affected website, such as:

  • Redirects
  • Advertisements
  • Other HTML payloads

These malicious scripts could then be executed by visitors to the website, potentially leading to a variety of security risks, such as:

  • Phishing attacks
  • Malware infections
  • Identity theft


Users of the Click To Tweet Plugin are strongly advised to uninstall the plugin until a patched version is released. This vulnerability has not been known to be fixed yet.