CVE-2022-3634

CRITICALNVD 9.89.8—Elevated

9.8

The Contact Form 7 Database Addon WordPress plugin before 1.2.6.5 does not validate data when output it back in a CSV file, which could lead to CSV injection

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 78.2%
KEV: Not listed

Published

November 21, 2022

Last Modified

April 29, 2025

Advisory Details (1)

Auto-updated May 27, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic🟡 PoC Available

Contact Form 7 Database Addon < 1.2.6.5 – CSV Injection | CVE 2022-3634 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/b5eeefb0-fb5e-4ca6-a6f0-67f4be4a2b10

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1236Improper Neutralization of Formula Elements in a CSV File

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
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2026-06-01 13:50 UTCepss_batch
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Frequently asked(5)

What is CVE-2022-3634?

CVE-2022-3634 is a critical vulnerability published on November 21, 2022. The Contact Form 7 Database Addon WordPress plugin before 1.2.6.5 does not validate data when output it back in a CSV file, which could lead to CSV injection

When was CVE-2022-3634 disclosed?

CVE-2022-3634 was first published in the National Vulnerability Database on November 21, 2022, with the most recent update on April 29, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-3634 actively exploited?

CVE-2022-3634 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-3634?

CVE-2022-3634 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-3634?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-3634, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-3634

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