CVE-2025-66921
HIGHCVSS 7.2/10EPSS 0.46%
Last modified
CVE-2025-66921 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A Cross-site scripting (XSS) vulnerability in Create/Update Item(s) Module in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the "name" parameter.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.
Description
A Cross-site scripting (XSS) vulnerability in Create/Update Item(s) Module in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the "name" parameter.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Opensourcepos | Open Source Point Of Sale | 3.4.1 |
References
- https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66921/readme.mdExploit, Third Party Advisory
- https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66921/readme.mdExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-66921?
A Cross-site scripting (XSS) vulnerability in Create/Update Item(s) Module in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the "name" parameter.
How severe is CVE-2025-66921?
CVE-2025-66921 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.
How do I fix CVE-2025-66921?
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-2025-66921?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST