A forensic breakdown of how an attacker turned CyberPanel’s SnappyMail logging into a persistent webshell that survived every WordPress cleanup attempt. The post How a Webmail Log File Became a Root-Level Backdoor appeared first on Wordfence. This article has been…
Category: Blog – Wordfence
Wordfence Intelligence Weekly WordPress Vulnerability Report (May 4, 2026 to May 10, 2026)
Last week, there were disclosed in and that have been added to the Wordfence Intelligence Vulnerability Database, and there were that contributed to WordPress Security last week. Review those vulnerabilities in this report now to ensure your site is not…
200,000 WordPress Sites at Risk from Critical Authentication Bypass Vulnerability in Burst Statistics Plugin
On May 8, 2026, PRISM, Wordfence Threat Intelligence’s autonomous vulnerability research platform, discovered a critical Authentication Bypass vulnerability in Burst Statistics, a WordPress plugin with more than 200,000 active installations. The post 200,000 WordPress Sites at Risk from Critical Authentication…
1,000,000 WordPress Sites Affected by Arbitrary File Read and SQL Injection Vulnerabilities in Avada Builder WordPress Plugin
On March 21st, 2026, we received a submission for an Arbitrary File Read and an SQL Injection vulnerability in Avada Builder, a WordPress plugin with an estimated 1,000,000 active installations. The post 1,000,000 WordPress Sites Affected by Arbitrary File Read…
Wordfence Intelligence Weekly WordPress Vulnerability Report (April 27, 2026 to May 3, 2026)
Last week, there were disclosed in and that have been added to the Wordfence Intelligence Vulnerability Database, and there were that contributed to WordPress Security last week. Review those vulnerabilities in this report now to ensure your site is not…
Authenticated Arbitrary File Upload Vulnerability Patched in Slider Revolution 7 WordPress Plugin
On April 18th, 2026, we received a submission for an Authenticated Arbitrary File Upload vulnerability in Slider Revolution, a WordPress plugin. Although the plugin has more than 5,000,000 active installations, we estimate that only around 45,000 sites are using a…
Attackers Actively Exploiting Critical Vulnerability in Breeze Cache Plugin
On April 22nd, 2026, we publicly disclosed a critical Arbitrary File Upload vulnerability in Breeze Cache, a WordPress plugin with an estimated 400,000 active installations. This vulnerability can be leveraged by unauthenticated attackers to upload arbitrary files, including PHP backdoors,…
Wordfence Intelligence Weekly WordPress Vulnerability Report (April 20, 2026 to April 26, 2026)
Last week, there were disclosed in and that have been added to the Wordfence Intelligence Vulnerability Database, and there were that contributed to WordPress Security last week. Review those vulnerabilities in this report now to ensure your site is not…
Wordfence Intelligence Weekly WordPress Vulnerability Report (April 13, 2026 to April 19, 2026)
Last week, there were disclosed in and that have been added to the Wordfence Intelligence Vulnerability Database, and there were that contributed to WordPress Security last week. Review those vulnerabilities in this report now to ensure your site is not…
Attackers Actively Exploiting Critical Vulnerability in Ninja Forms – File Upload Plugin
On April 6th, 2026, we publicly disclosed a critical Arbitrary File Upload vulnerability in Ninja Forms – File Upload, a WordPress plugin with an estimated 50,000 active installations. This vulnerability can be leveraged by unauthenticated attackers to upload arbitrary files,…
Wordfence Intelligence Weekly WordPress Vulnerability Report (April 6, 2026 to April 12, 2026)
Last week, there were disclosed in and that have been added to the Wordfence Intelligence Vulnerability Database, and there were that contributed to WordPress Security last week. Review those vulnerabilities in this report now to ensure your site is not…
Attackers Actively Exploiting Critical Vulnerability in Kali Forms Plugin
On March 2nd, 2026, we received a submission through our Bug Bounty Program for a Remote Code Execution vulnerability in Kali Forms, a WordPress plugin with more than 10,000 active installations. This vulnerability makes it possible for an unauthenticated attacker…
The Increasing Role of AI in Vulnerability Research
At Wordfence, we run a bug bounty program that pays out mid-six figures per year to researchers in bug bounties for WordPress related vulnerabilities. Funding this research helps us improve security for the WordPress community overall, and helps us secure…
Wordfence Intelligence Weekly WordPress Vulnerability Report (March 30, 2026 to April 5, 2026)
Last week, there were disclosed in that have been added to the Wordfence Intelligence Vulnerability Database, and there were that contributed to WordPress Security last week. Review those vulnerabilities in this report now to ensure your site is not affected.…
50,000 WordPress Sites affected by Arbitrary File Upload Vulnerability in Ninja Forms – File Upload WordPress Plugin
On January 8th, 2026, we received a submission for an Arbitrary File Upload vulnerability in Ninja Forms – File Upload, a WordPress plugin with an estimated 50,000 active installations. This vulnerability makes it possible for an unauthenticated attacker to upload…
200,000 WordPress Sites Affected by Arbitrary File Deletion Vulnerability in Perfmatters WordPress Plugin
On March 1st, 2026, we received a submission for an Arbitrary File Deletion vulnerability in Perfmatters, a WordPress plugin with more than 200,000 active installations. This vulnerability makes it possible for unauthenticated threat actors to delete arbitrary files, including the…
Wordfence Intelligence Weekly WordPress Vulnerability Report (March 23, 2026 to March 29, 2026)
Last week, there were disclosed in and that have been added to the Wordfence Intelligence Vulnerability Database, and there were that contributed to WordPress Security last week. Review those vulnerabilities in this report now to ensure your site is not…
200,000 WordPress Sites Affected by Arbitrary File Move Vulnerability in MW WP Form WordPress Plugin
On March 16th, 2026, we received a submission for an Arbitrary File Move vulnerability in MW WP Form, a WordPress plugin with more than 200,000 active installations. This vulnerability makes it possible for unauthenticated threat actors to move arbitrary files,…
Wordfence Bug Bounty Program Monthly Report – February 2026
Last month in February 2026, the Wordfence Bug Bounty Program received 1078 vulnerability submissions from our growing community of security researchers working to improve the overall security posture of the WordPress ecosystem. These submissions are reviewed, triaged, and processed by…
Wordfence Intelligence Weekly WordPress Vulnerability Report (March 16, 2026 to March 22, 2026)
Last week, there were disclosed in and that have been added to the Wordfence Intelligence Vulnerability Database, and there were that contributed to WordPress Security last week. Review those vulnerabilities in this report now to ensure your site is not…