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Not in CISA KEV
HIGH severity

Improper neutralization of formula elements in yii-helpersGHSA-f9p3-h6cg-2cjr

HIGHFix: luyadev/yii-helpers@9956ed6

GHSA-f9p3-h6cg-2cjr is a high-severity (CVSS 7.8) CWE-1236 vulnerability in luyadev/yii-helpers. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for luyadev/yii-helpers — see the affected versions and patch details below.

Also known asCVE-2022-1544
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
2.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs84th percentile — riskier than 84% of all scored CVEsHighest risk
0.00%1.00%2.01%3.01%0.4%2.4%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘luyadev/yii-helpers

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

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 Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistluyadev/yii-helpersall versions1.2.1composer require luyadev/yii-helpers:^1.2.1

Affected Products

1 product · 1 configurations
Application
yii-helpersluya
< 1.2.1
range
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Formula Injection/CSV Injection due to Improper Neutralization of Formul…

huntr.devNVDMay 2022

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for luyadev/yii-helpers, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update luyadev/yii-helpers to 1.2.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-f9p3-h6cg-2cjr is resolved across your whole dependency graph.

  3. Workarounds

    Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

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.
O3 Security · Impact-Aware SCA

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Improper neutralization of formula elements in yii-helpers