How severe is CVE-2022-2066?

CVE-2022-2066 has a CVSS score of 7.1/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2022-2066?

CVE-2022-2066 affects the following packages: facturascripts/facturascripts (Packagist). Ecosystems affected: Packagist.

How do I fix CVE-2022-2066?

Update facturascripts/facturascripts to 2022.06 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-2066 is resolved across your whole dependency graph.

How do I detect CVE-2022-2066 in my Packagist dependencies?

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

How do I mitigate CVE-2022-2066 if there is no patch (or I can't update yet)?

Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Is CVE-2022-2066 actively exploited in the wild?

Yes. There are 1 known exploit references for CVE-2022-2066, including 1 in-the-wild exploitation observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2022-2066?

CVE-2022-2066 has an EPSS (Exploit Prediction Scoring System) score of 1.0%, placing it in the 62th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2022-2066?

CVE-2022-2066 is classified as Cross-site Scripting (XSS) (CWE-79). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

When was CVE-2022-2066 published, and has it been updated?

CVE-2022-2066 was published on June 13, 2022 and was last updated on October 28, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘

🐘 Packagist

Not in CISA KEV

HIGH severity

CVE-2022-2066 — facturascripts

HIGHFix: neorazorx/facturascripts@73a6595

CVE-2022-2066 is a high-severity (CVSS 7.1) Cross-site Scripting (XSS) vulnerability in facturascripts/facturascripts. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for facturascripts/facturascripts — see the affected versions and patch details below.

Cross-site Scripting (XSS) - Reflected in neorazorx/facturascripts

Also known asGHSA-h6wm-mr85-4h9g

Published

Jun 13, 2022

Updated

Oct 28, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

1 known

Exploitation data as of Nov 6, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

1.0%probability of exploitation in next 30 days

Lower Risk+0.02%

Lower risk than most CVEs62th percentile — riskier than 62% of all scored CVEsHighest risk

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

🐘facturascripts/facturascripts

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

A Cross-site Scripting (XSS) vulnerability exists in the fsNick parameter in facturascripts prior to version 2022.06

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`facturascripts/facturascripts`	all versions	2022.06`composer require facturascripts/facturascripts:^2022.06`

Affected Products

1 product · 1 configurations

Application

facturascriptsfacturascripts

< 2022.06

range

Exploits & PoCs

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

Cross-site Scripting (XSS) - Reflected in GitHub repository neorazorx/fa…

huntr.devNVDJun 2022

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for facturascripts/facturascripts, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update facturascripts/facturascripts to 2022.06 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-2066 is resolved across your whole dependency graph.
Workarounds
Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

A Cross-site Scripting (XSS) vulnerability exists in the fsNick parameter in facturascripts prior to version 2022.06

O3 Security · Impact-Aware SCA

Is CVE-2022-2066 in your dependencies?

Find it across Packagist, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

7.1/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

Low

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L

CWE Classification

CWE-79Cross-site Scripting (XSS)

Weaponization

No Nuclei template or Metasploit module yet. 1 public proof-of-concept reference is listed on this page.

Timeline

Disclosed

Jun 13, 2022

First exploit

Jun 22, 2022

Last updated

Oct 28, 2026

Identifiers

CVE-2022-2066

GHSA-h6wm-mr85-4h9g

References

Advisorygithub.com · CVE 2022 2066.json Advisorynvd.nist.gov · CVE 2022 2066 Fixgithub.com · 73a6595ca85984d65f656c6356fabb23d1936c54 Webhuntr.dev · da4bbbfd 501f 4c7e be83 47778103cb59 Packagegithub.com · facturascripts

Related vulnerabilities

This CVE is high severity; 6 of 8 other CVEs affecting facturascripts/facturascripts are rated as high or higher (top: critical).

CVE-2026-45263CVE-2026-45710CVE-2026-45262CVE-2026-45693CVE-2026-77526CVE-2026-47677CVE-2026-27891CVE-2026-27964

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedOct 28, 2026