CVE-2018-9035: CSV Injection vulnerability in ExportToCsvUtf8.php of the Contact Form 7 to Database Extension plugin 2.10.32

Q: How do I fix CVE-2018-9035?

contact-form-7-to-database-extension: upgrade to newer than 2.10.32. Exact commands for each OS are on this page.

Q: Is CVE-2018-9035 being exploited?

CVE-2018-9035 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-9035 affect?

CVE-2018-9035 affects contact-form-7-to-database-extension. Severity is critical (CVSS 9.6). CSV Injection vulnerability in ExportToCsvUtf8.php of the Contact Form 7 to Database Extension plugin 2.10.32 for WordPress allows remote attackers to inject spreadsheet formulas into CSV files via the contact form.

Q: How urgent is CVE-2018-9035?

Priority 62/100. Critical severity; EPSS top 6%: very likely to be exploited; Public exploit reference

This week

CRITICAL 9.6UPGRADE

CVE-2018-9035 is a critical-severity flaw (CVSS 9.6) affecting contact-form-7-to-database-extension. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CSV Injection vulnerability in ExportToCsvUtf8.php of the Contact Form 7 to Database Extension plugin 2.10.32 for WordPress allows remote attackers to inject spreadsheet formulas into CSV files via the contact form.

Why this priority

Critical severity
EPSS top 6%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.6 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	7.3% (top 6%)
CISA exploited list	No
Weakness	CWE-1236
Published	2018-04-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: contact-form-7-to-database-extension project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-04-04 19:29 UTCPublished CVE record published
2026-06-17 02:05 UTCUpdated Record last modified

contact-form-7-to-database-extension project contact-form-7-to-database-extension UPGRADE

Affected: <= 2.10.32

Fixed in: newer than 2.10.32

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy contact-form-7-to-database-extension || rpm -q contact-form-7-to-database-extension || contact-form-7-to-database-extension --version

2. UPGRADE to newer than 2.10.32 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade contact-form-7-to-database-extension

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade contact-form-7-to-database-extension

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: WordPress Plugin Contact Form 7 to Database Extension 2.10.32 - CSV Injection

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-9035?

contact-form-7-to-database-extension: upgrade to newer than 2.10.32. Exact commands for each OS are on this page.

Is CVE-2018-9035 being exploited?

CVE-2018-9035 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-9035 affect?

CVE-2018-9035 affects contact-form-7-to-database-extension. Severity is critical (CVSS 9.6). CSV Injection vulnerability in ExportToCsvUtf8.php of the Contact Form 7 to Database Extension plugin 2.10.32 for WordPress allows remote attackers to inject spreadsheet formulas into CSV files via the contact form.

How urgent is CVE-2018-9035?

Priority 62/100. Critical severity; EPSS top 6%: very likely to be exploited; Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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