Updates on WordPress security, Wordfence and what we're cooking in the lab today.

Category Archive: WordPress Security

Wordfence Blog

Medium Severity Vulnerability Patched in Fast Velocity Minify Plugin

This entry was posted in Vulnerabilities, WordPress Security on October 16, 2019 by Chloe Chamberland   2 Replies

Description: Full Path Disclosure CVSS v3.0 Score: 4.3 (Medium) CVSS Vector String: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Affected Plugin: Fast Velocity Minify Plugin Slug: fast-velocity-minify Affected Versions: <= 2.7.6 Patched Version: 2.7.7 A few days ago, our Threat Intelligence team identified a vulnerability present in Fast Velocity Minify, a WordPress plugin with approximately  80,000+ active installs. This flaw allowed …
Read More

Authentication Bypass Vulnerability in GiveWP Plugin

This entry was posted in Vulnerabilities, WordPress Security on September 26, 2019 by Chloe Chamberland   0 Replies

Description: Authentication Bypass with Information Disclosure CVSS v3.0 Score: 7.5 (High) CVSS Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Affected Plugin: GiveWP Plugin Slug: give Affected Versions: <= 2.5.4 Patched Version: 2.5.5 A few weeks ago, our Threat Intelligence team discovered a vulnerability present in GiveWP, a WordPress plugin installed on over 70,000 websites. The weakness allowed unauthenticated users to bypass …
Read More

Zero Day Vulnerability in Rich Reviews Plugin Exploited In The Wild

This entry was posted in Vulnerabilities, WordPress Security on September 24, 2019 by Mikey Veenstra   18 Replies

Description: XSS Via Unauthenticated Plugin Options Update Affected Plugin: Rich Reviews Affected Versions: <= 1.7.4 CVSS Score: 8.3 (High) CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L The Wordfence Threat Intelligence team is tracking a series of attacks against an unpatched vulnerability in the Rich Reviews plugin for WordPress. The estimated 16,000 sites running the plugin are vulnerable to unauthenticated plugin …
Read More

The WordPress 5.2.3 Security Release Unpacked

This entry was posted in Vulnerabilities, WordPress Security on September 05, 2019 by Mark Maunder   2 Replies

WordPress core version 5.2.3 has just been released. This is a security release which contains several fixes. I’m going to detail each of them below and unpack what each fix means and add any additional info that may be relevant. Seven of the eight vulnerabilities fixed in this release are cross site scripting (XSS) vulnerabilities. Wordfence …
Read More

Ongoing Malvertising Campaign Evolves, Adds Backdoors and Targets New Plugins

This entry was posted in Research, WordPress Security on August 30, 2019 by Mikey Veenstra   10 Replies

In July, we reported on a malvertising campaign which was distributing redirect and popup code through a number of public vulnerabilities affecting the WordPress ecosystem. As mentioned in the article, we’ve continued tracking this threat for new or changing activity. Much of the campaign remains identical. Known vulnerabilities in WordPress plugins are exploited to inject …
Read More

Malicious WordPress Redirect Campaign Attacking Several Plugins

This entry was posted in Research, WordPress Security on August 23, 2019 by Mikey Veenstra   24 Replies

Over the past few weeks, our Threat Intelligence team has been tracking an active attack campaign targeting a selection of new and old WordPress plugin vulnerabilities. These attacks seek to maliciously redirect traffic from victims’ sites to a number of potentially harmful locations. Each of the vulnerabilities targeted by this campaign have been public for …
Read More

Recent WordPress Vulnerabilities Targeted by Malvertising Campaign

This entry was posted in Research, WordPress Security on July 22, 2019 by Mikey Veenstra   7 Replies

The Defiant Threat Intelligence team has identified a malvertising campaign which is causing victims’ sites to display unwanted popup ads and redirect visitors to malicious destinations, including tech support scams, malicious Android APKs, and sketchy pharmaceutical ads. This type of campaign is far from novel, but these attacks drew our attention. By targeting a few …
Read More

Critical Vulnerability Patched in Ad Inserter Plugin

This entry was posted in Research, Vulnerabilities, WordPress Security on July 15, 2019 by Sean Murphy   3 Replies

Description: Authenticated Remote Code Execution Affected Plugin: Ad Inserter Affected Versions: <= 2.4.21 CVSS Score: 9.9 (Critical) CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H On Friday, July 12th, our Threat Intelligence team discovered a vulnerability present in Ad Inserter, a WordPress plugin installed on over 200,000 websites. The weakness allowed authenticated users (Subscribers and above) to execute arbitrary PHP …
Read More

Introducing the Wordfence Login Security Plugin

This entry was posted in Wordfence, WordPress Security on June 04, 2019 by Mark Maunder   16 Replies

Today we are excited to announce the release of a brand new plugin: Wordfence Login Security. This plugin is a completely standalone plugin and you don’t need to install the full version of Wordfence to take advantage of the specific security features included in it. Wordfence Login Security is designed by our team to secure …
Read More

Service Vulnerability: Four Popular Hosting Companies Fix NFS Permissions and Information Disclosure Problems

This entry was posted in Vulnerabilities, WordPress Security on June 03, 2019 by Brad Haas   7 Replies

Last year, we published two disclosures of service vulnerabilities on hosting platforms. The first one included a trio of brands: Hostway, Momentous, and Paragon Group. The second was for MelbourneIT. In all cases, we were happy to report that the affected companies took our disclosures seriously and moved quickly to fix the problems. Today we’re …
Read More

Follow Us

      


Protect your websites with the #1 WordPress Security Plugin

Get Premium
Over 100 million downloads

Wordfence Newsletter

Get WordPress Security Alerts and Product Updates