CVE-2022-40289

Name: CVE-2022-40289
Creator: NVD / NIST
Published: 2022-10-31T21:15:12.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2022-40289 is a critical-severity vulnerability rated 9/10 on the CVSS scale. The application was vulnerable to an authenticated Stored Cross-Site Scripting (XSS) in the upload and download functionality, which could be leveraged to escalate privileges or compromise any accounts they can coerce into observing the targeted files. . EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

The application was vulnerable to an authenticated Stored Cross-Site Scripting (XSS) in the upload and download functionality, which could be leveraged to escalate privileges or compromise any accounts they can coerce into observing the targeted files.

Metrics

CVSS 3.1

9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

0.60%

44.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Phppointofsale	Php Point Of Sale	19.0

References

https://www.themissinglink.com.au/security-advisories/cve-2022-40289Vendor Advisory
https://www.themissinglink.com.au/security-advisories/cve-2022-40289Vendor Advisory

Timeline

Published: Oct 31, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-40289?

How severe is CVE-2022-40289?

CVE-2022-40289 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2022-40289?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-40289?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST