CVE-2025-14437: CWE-532 Insertion of Sensitive Information into Log File in wpmudev Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN
The Hummingbird Performance plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.18.0 via the 'request' function. This makes it possible for unauthenticated attackers to extract sensitive data including Cloudflare API credentials.
AI Analysis
Technical Summary
The Hummingbird Performance plugin for WordPress versions up to and including 3.18.0 contains a vulnerability (CWE-532) where sensitive information such as Cloudflare API credentials can be exposed through the 'request' function. This occurs because sensitive data is improperly logged, allowing unauthenticated attackers to access it. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity with network attack vector, no privileges required, and no user interaction needed. The vendor has released a patch to address this issue.
Potential Impact
An unauthenticated attacker can exploit this vulnerability to obtain sensitive information, specifically Cloudflare API credentials, which could lead to unauthorized access or manipulation of the victim's Cloudflare services. The confidentiality of sensitive data is compromised, but integrity and availability are not affected according to the CVSS vector.
Mitigation Recommendations
A patch is available for this vulnerability. Users of the Hummingbird Performance plugin should update to the latest version beyond 3.18.0 to remediate the issue. Since this is not a cloud service, remediation depends on applying the vendor's patch. No additional mitigation steps are specified in the advisory.
CVE-2025-14437: CWE-532 Insertion of Sensitive Information into Log File in wpmudev Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN
Description
The Hummingbird Performance plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.18.0 via the 'request' function. This makes it possible for unauthenticated attackers to extract sensitive data including Cloudflare API credentials.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Hummingbird Performance plugin for WordPress versions up to and including 3.18.0 contains a vulnerability (CWE-532) where sensitive information such as Cloudflare API credentials can be exposed through the 'request' function. This occurs because sensitive data is improperly logged, allowing unauthenticated attackers to access it. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity with network attack vector, no privileges required, and no user interaction needed. The vendor has released a patch to address this issue.
Potential Impact
An unauthenticated attacker can exploit this vulnerability to obtain sensitive information, specifically Cloudflare API credentials, which could lead to unauthorized access or manipulation of the victim's Cloudflare services. The confidentiality of sensitive data is compromised, but integrity and availability are not affected according to the CVSS vector.
Mitigation Recommendations
A patch is available for this vulnerability. Users of the Hummingbird Performance plugin should update to the latest version beyond 3.18.0 to remediate the issue. Since this is not a cloud service, remediation depends on applying the vendor's patch. No additional mitigation steps are specified in the advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2025-12-10T11:11:27.633Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6943f2f44eb3efac3683080e
Added to database: 12/18/2025, 12:26:28 PM
Last enriched: 4/9/2026, 4:48:43 PM
Last updated: 5/8/2026, 10:16:55 AM
Views: 174
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.