CVE-2026-11798 the_champ CVE debrief

Who should care

Users of the Social Share, Social Login and Social Comments Plugin – Super Socializer plugin for WordPress, particularly those with versions up to 7.14.5, should be aware of this vulnerability and take necessary actions to protect their sites. This includes updating the plugin to a version beyond 7.14.5, implementing additional security measures, and regularly monitoring their WordPress site for suspicious activity.

Technical summary

The vulnerability exists due to insufficient input sanitization and output escaping in the 'heateor_mastodon_share' parameter of the Social Share, Social Login and Social Comments Plugin – Super Socializer plugin for WordPress. This allows attackers to inject arbitrary web scripts, potentially leading to Cross-Site Scripting attacks. The vulnerability affects all versions up to, and including, 7.14.5 and has a CVSS score of 6.1, indicating a medium severity.

Defensive priority

Medium priority due to the CVSS score of 6.1 and the potential for unauthenticated attacks.

Recommended defensive actions

• Update the Social Share, Social Login and Social Comments Plugin – Super Socializer to a version beyond 7.14.5.
• Implement additional security measures such as Web Application Firewalls (WAFs) to detect and prevent Cross-Site Scripting attacks.
• Regularly monitor your WordPress site for suspicious activity and ensure that all plugins and themes are up-to-date.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Review compensating controls for exposed systems while remediation is scheduled and verified.

Evidence notes

The CVE record was published on 2026-07-08T06:16:21.707Z and has not been modified since then. The NVD entry is currently 6.1 MEDIUM. Evidence is based on official CVE and NVD records, as well as references from security researchers at Wordfence. The vulnerability was discovered and reported by security researchers at Wordfence, who found that the plugin did not properly sanitize user input, allowing for arbitrary web script injection.

Official resources