VulnerabilityAnalyzed
CVE-2025-66923
A Cross-site scripting (XSS) vulnerability in Create/Update Customer(s) in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the phone_number parameter.
HIGH 7.2EPSS 0.55%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A Cross-site scripting (XSS) vulnerability in Create/Update Customer(s) in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the phone_number parameter.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.55% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-79
- Affected
- opensourcepos/open source point of sale
- Source
- cve@mitre.org
References
- https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66923/readme.mdExploit, Third Party Advisory
- https://github.com/opensourcepos/opensourceposProduct
- https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66923/readme.mdExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.