CVE-2022-1544: Formula Injection/CSV Injection due to Improper Neutralization of Formula Elements in CSV File in luyadev/yii-helpers

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-05-01 · updated 2026-06-17
Weakness: CWE-1236

Description

Formula Injection/CSV Injection due to Improper Neutralization of Formula Elements in CSV File in GitHub repository luyadev/yii-helpers prior to 1.2.1. Successful exploitation can lead to impacts such as client-sided command injection, code execution, or remote ex-filtration of contained confidential data.

Affected products

luyadev/yii-helpers: before 1.2.1 — fixed in 1.2.1

How to fix

Upgrade to a fixed version: luyadev/yii-helpers 1.2.1. Check the vendor advisory for mitigations.

References

https://github.com/luyadev/yii-helpers/commit/9956ed63f516110c2b588471507b870e748c4cfb
https://huntr.dev/bounties/fa6d6e75-bc7a-40f6-9bdd-2541318912d4
https://github.com/luyadev/yii-helpers/commit/9956ed63f516110c2b588471507b870e748c4cfb
https://huntr.dev/bounties/fa6d6e75-bc7a-40f6-9bdd-2541318912d4

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