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Wordfence Research and News
2023’s Critical WordPress Vulnerabilities and How They Work
🎉 Did you know we’re running a Bug Bounty Extravaganza again?
$1,900 Bounty Awarded for Arbitrary Options Update Vulnerability Patched in Cookie Information | Free GDPR Consent Solution WordPress Plugin
On December 11th, 2023, during our Holiday Bug Extravaganza, we received a submission for an Arbitrary Options Update vulnerability in Cookie Information | Free GDPR Consent Solution, a WordPress plugin with more than 100,000+ active installations.
Local File Inclusion Vulnerability Patched in Shield Security WordPress Plugin
On December 18, 2023, right before the end of Holiday Bug Extravaganza, we received a submission for a Local File Inclusion vulnerability in Shield Security, a WordPress plugin with more than 50,000+ active installations.
$1,275 Bounty Awarded For Arbitrary File Deletion Vulnerability Patched in MW WP Form WordPress Plugin
🎉 Did you know we’re running a Bug Bounty Extravaganza again?
High Severity Arbitrary File Upload Vulnerability Patched in File Manager Pro WordPress Plugin
On December 14th, 2023, shortly after the launch of our Holiday Bug Extravaganza, we received a submission for an Arbitrary File Upload vulnerability in File Manager Pro, a WordPress plugin with an estimated 10,000+ active installations.
Type Juggling Leads to Two Vulnerabilities in POST SMTP Mailer WordPress Plugin
On December 14th, 2023, during our Bug Bounty Program Holiday Bug Extravaganza, we received a submission for an Authorization Bypass vulnerability in POST SMTP Mailer, a WordPress plugin with over 300,000+ active installations.
Over 100 WordPress Repository Plugins Affected by Shortcode-based Stored Cross-Site Scripting
On August 14, 2023, the Wordfence Threat Intelligence team began a research project to find Stored Cross-Site Scripting (XSS) via Shortcode vulnerabilities in WordPress repository plugins.
Update ASAP! Critical Unauthenticated Arbitrary File Upload in MW WP Form Allows Malicious Code Execution
🎁 Wordfence just launched its bug bounty program. Through December 20th 2023, all researchers will earn 6.25x our normal bounty rates when Wordfence handles responsible disclosure for our Holiday Bug Extravaganza!
Several Critical Vulnerabilities including Privilege Escalation, Authentication Bypass, and More Patched in UserPro WordPress Plugin
On May 1, 2023, the Wordfence Threat Intelligence team began the responsible disclosure process for multiple high and critical severity vulnerabilities we discovered in Kirotech’s UserPro plugin, which is actively installed on more than 20,000 WordPress websites.
4 Million WordPress Sites affected by Stored Cross-Site Scripting Vulnerability in LiteSpeed Cache Plugin
On August 14, 2023, our Wordfence Threat Intelligence team identified and began the responsible disclosure process for a stored Cross-Site Scripting (XSS) vulnerability in LiteSpeed Cache plugin, which is actively installed on more than 4,000,000 WordPress websites, making it the most popular cache plugin.
Breaking WordPress Security Research in your inbox as it happens.
