Jetpack – WP Security, Backup, Speed, & Growth <= 3.9.1 — Sensitive Information Disclosure
9b86a259-b102-411a-8d4c-c131737b90d8Published · Updated Action summary
Affected: ≤3.9.1Update to 3.9.2 or newer
All remediation steps- Severity
- Medium4.9
- CVSS
- 4.9CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:HPrivileges required- High
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:NIntegrity- None
A:NAvailability- None
- Weakness
- CWE-200 Information Exposure
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Jetpack – AI Agents & MCP, Security, Backup & Analytics jetpack
- Affected≤ 3.9.1
- Patched in3.9.2
Update to 3.9.2 or newer.
You are affected if you run ≤ 3.9.1. Version 3.9.2 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Jetpack – AI Agents & MCP, Security, Backup & Analytics.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 3.9.2, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Jetpack – AI Agents & MCP, Security, Backup & Analytics to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Oliver Liu.
The Jetpack – WP Security, Backup, Speed, & Growth plugin for WordPress is vulnerable to Sensitive Data Exposure in versions up to, and including, 3.9.1. This makes it possible for authenticated attackers with database access to extract sensitive data including plaintext credentials due to plaintext storage of those credentials.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
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| High7.2 | 16.1.2 - Unauthenticated Stored Cross-Site Scripting 16.1 – 16.1.2Update to 16.1.3 | — | |
| Medium6.6 | 16.1.2 - Authenticated (Administrator+) PHP Object Injection 16.1 – 16.1.2Update to 16.1.3 | — | |
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Same weakness (Information Exposure)
All Information Exposure| Severity | Vulnerability | CVE | Published |
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| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
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EZ SQL Reports Shortcode Widget and DB Backup
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Chatterbug Forms – Fast, Flexible WordPress Form Builder
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ELEX WordPress HelpDesk & Customer Ticketing System
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Timeline
CVE published
Severity medium, CVSS 4.9
Record last updated
Sources & licenses
- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.