Contact Form 7 Database Addon < 1.2.5.6 - CSV Injection

published 2021-03-18 5y ago modified 2026-06-17 4mo ago also EUVD-2021-11058

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

Unvalidated input in the Contact Form 7 Database Addon plugin, versions before 1.2.5.6, was prone to a vulnerability that lets remote attackers inject arbitrary formulas into CSV files.

Patch / fix

fixed in 1

ciphercoin contact_form_7_database_addon 1.2.5.6

Is CVE-2021-24144 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Unknown Contact Form 7 Database Addon

Classification

Weakness

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
CWE-1236 Improper Neutralization of Formula Elements in a CSV File

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/143cdaff-c536-4ff9-8d64-c617511ddd48
third-party-advisory

Sources

CVE List CVE-2021-24144
NVD CVE-2021-24144

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.