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Jetpack – WP Security, Backup, Speed, & Growth < 4.2 — CSV Injection

f4703ca7-0677-4128-b9b7-31132ff1804dPublished · Updated

Action summary

Affected: <4.2Update to 4.2 or newer

All remediation steps
Severity
Critical9.6
CVSS
9.6
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:R User interaction
Required
S:C Scope
Changed
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-1236 Improper Neutralization of Formula Elements in a CSV File
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

Jetpack – AI Agents & MCP, Security, Backup & Analytics jetpack

  1. Affected< 4.2
  2. Patched in4.2

Update to 4.2 or newer.

You are affected if you run < 4.2. Version 4.2 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.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 4.2, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Jetpack – AI Agents & MCP, Security, Backup & Analytics to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence.

The Jetpack – WP Security, Backup, Speed, & Growth plugin for WordPress is vulnerable to CSV Injection in versions up to, and including, 4.2. This allows unauthenticated attackers to embed untrusted input into data via contact forms that will be injected into exported CSV files. This can result in code execution when these files are downloaded and opened on a local system with a vulnerable configuration.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Jetpack – AI Agents & MCP, Security, Backup & Analytics

All 33
More vulnerabilities in Jetpack – AI Agents & MCP, Security, Backup & Analytics
SeverityVulnerabilityCVEPublished
Medium5.3Missing Authorization
≤16.2Update to 16.3
CVE-2026-106601
Medium5.3Missing Authorization
≤16.2Update to 16.3
CVE-2026-106602
High7.216.1.2 - Unauthenticated Stored Cross-Site Scripting
16.1 – 16.1.2Update to 16.1.3
—
Medium6.616.1.2 - Authenticated (Administrator+) PHP Object Injection
16.1 – 16.1.2Update to 16.1.3
—
Medium6.616.1.2 - Authenticated (Administrator+) PHP Object Injection
16.1 – 16.1.2Update to 16.1.3
—

Timeline

  1. CVE published

    Severity critical, CVSS 9.6

  2. 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.

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