Hackers exploit info disclosure bug in Gravity SMTP WordPress plugin

BleepingComputer

June 19, 2026 at 8:25 PM

Actively Exploited

Overview

Hackers are taking advantage of an unauthenticated information disclosure vulnerability in the Gravity SMTP plugin for WordPress, which is installed on around 100,000 websites. This vulnerability allows attackers to access sensitive information without needing to log in, potentially exposing user data and other critical site details. The flaw poses a serious risk to website owners and their users, as it could lead to further attacks or data breaches. Website administrators are urged to assess whether they are using this plugin and to take necessary actions to secure their sites. Ignoring this issue could leave users’ information vulnerable and put the integrity of the websites at risk.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: Gravity SMTP WordPress plugin
Action Required: Update to the latest version of the Gravity SMTP plugin as soon as possible to mitigate the vulnerability.
Timeline: Newly disclosed

Original Article Summary

Threat actors are exploiting an unauthenticated information disclosure vulnerability in the WordPress plugin Gravity SMTP, active on 100,000 sites. [...]

Impact

Gravity SMTP WordPress plugin

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Update to the latest version of the Gravity SMTP plugin as soon as possible to mitigate the vulnerability.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Exploit, Vulnerability, Critical.

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