Last week, there were 549 vulnerabilities disclosed in 351 WordPress Plugins and 4 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 222 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities in this report now to ensure your site is not affected.
Our mission with Wordfence Intelligence is to make valuable vulnerability information easily accessible to everyone, like the WordPress community, so individuals and organizations alike can utilize that data to implement layered security, aligning with our overarching mission to secure WordPress with defense in depth strategies. That is why the Wordfence Intelligence user interface, vulnerability API, and webhook integration are all completely free to access and utilize both personally and commercially, and why we are running this weekly vulnerability report. As the world’s leading quality vulnerability database provider for WordPress, site owners can rest assured knowing Wordfence has their back.
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New Firewall Rules Deployed Last Week
The Wordfence Threat Intelligence Team reviews each vulnerability to determine impact and severity, along with assessing the likelihood of exploitation, to verify that the Wordfence Firewall provides sufficient protection.
The team rolled out enhanced protection via firewall rules for the following vulnerabilities in real-time to our Premium, Care, and Response customers last week:
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- WordPress Core 4.7.0 – 7.1.3 – Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution
- The Grid <= 2.8.1 – Unauthenticated Remote Code Execution
- YOOtheme Pro 5.0.0 – 5.0.52 – Unauthenticated Arbitrary File Upload
- WAF-RULE-968 – Data redacted while we work with the vendor on a patch.
- WAF-RULE-972 – Data redacted while we work with the vendor on a patch.
Wordfence Premium, Care, and Response customers received this protection immediately, while users still running the free version of Wordfence will receive this enhanced protection after a 30 day delay.
Total Unpatched & Patched Vulnerabilities Last Week
| Patch Status | Number of Vulnerabilities |
|---|---|
| Patched | 508 |
| Unpatched | 41 |
Total Vulnerabilities by CVSS Severity Last Week
| Severity Rating | Number of Vulnerabilities |
|---|---|
| Low Severity | 6 |
| Medium Severity | 394 |
| High Severity | 132 |
| Critical Severity | 17 |
Total Vulnerabilities by CWE Type Last Week
| Vulnerability Type by CWE | Number of Vulnerabilities |
|---|---|
| Improper Neutralization of Input During Web Page Generation | 209 |
| Missing Authorization | 128 |
| Deserialization of Untrusted Data | 35 |
| Improper Neutralization of Special Elements used in an SQL Command | 31 |
| Exposure of Sensitive Information to an Unauthorized Actor | 28 |
| Improper Authentication | 16 |
| Cross-Site Request Forgery | 14 |
| Improper Privilege Management | 14 |
| Improper Limitation of a Pathname to a Restricted Directory | 12 |
| Unrestricted Upload of File with Dangerous Type | 12 |
| Improper Control of Generation of Code | 11 |
| Authorization Bypass Through User-Controlled Key | 9 |
| Client-Side Enforcement of Server-Side Security | 3 |
| External Control of File Name or Path | 2 |
| Improper Control of Filename for Include/Require Statement in PHP Program | 2 |
| Insufficient Verification of Data Authenticity | 2 |
| Server-Side Request Forgery | 2 |
| Concurrent Execution using Shared Resource with Improper Synchronization | 1 |
| Improper Access Control | 1 |
| Improper Encoding or Escaping of Output | 1 |
| Improper Enforcement of Behavioral Workflow | 1 |
| Improper Input Validation | 1 |
| Improper Neutralization of CRLF Sequences | 1 |
| Improper Neutralization of Formula Elements in a CSV File | 1 |
| Improper Neutralization of Script-Related HTML Tags in a Web Page | 1 |
| Improper Neutralization of Special Elements in Output Used by a Downstream Component | 1 |
| Improper Restriction of Excessive Authentication Attempts | 1 |
| Improper Restriction of Rendered UI Layers or Frames | 1 |
| Improperly Controlled Modification of Object Prototype Attributes | 1 |
| Incorrect Authorization | 1 |
| Missing Authentication for Critical Functionality | 1 |
| Protection Mechanism Failure | 1 |
| Time-of-check Time-of-use (TOCTOU) Race Condition | 1 |
| Uncaught Exception | 1 |
| URL Redirection to Untrusted Site | 1 |
| Use of Cache Containing Sensitive Information | 1 |
Researchers That Contributed to WordPress Security Last Week
| Researcher Name | Number of Vulnerabilities |
|---|---|
| 59 | |
| 29 | |
| 17 | |
| 14 | |
| 13 | |
| 12 | |
| 12 | |
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