How severe is CVE-2022-40290?

CVE-2022-40290 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-40290 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40290?

CVE-2022-40290 affects Phppointofsale Php Point Of Sale. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40290?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-40290 published?

CVE-2022-40290 was published on 2022-10-31 and last updated on 2026-06-17.

CVE-2022-40290

CVE-2022-40290 is a medium-severity vulnerability in Phppointofsale Php Point Of Sale with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Phppointofsale Php Point Of Sale
Published: 2022-10-31
Last modified: 2026-06-17

Description

The application was vulnerable to an unauthenticated Reflected Cross-Site Scripting (XSS) vulnerability in the barcode generation functionality, allowing attackers to generate an unsafe link that could compromise users.

Frequently asked questions

What is CVE-2022-40290?: The application was vulnerable to an unauthenticated Reflected Cross-Site Scripting (XSS) vulnerability in the barcode generation functionality, allowing attackers to generate an unsafe link that could compromise users.
How severe is CVE-2022-40290?: CVE-2022-40290 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-40290 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40290?: CVE-2022-40290 affects Phppointofsale Php Point Of Sale. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40290?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-40290 published?: CVE-2022-40290 was published on 2022-10-31 and last updated on 2026-06-17.

References

https://www.themissinglink.com.au/security-advisories/cve-2022-40290

Affected products (1)

cpe:2.3:a:phppointofsale:php_point_of_sale:19.0:*:*:*:*:*:*:*

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