CVE-2025-70091 Cross-site scripting in n/a
Attackers can execute arbitrary scripts via XSS in the Phone Number field of the Customers function in OpenSourcePOS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-70091?
CVE-2025-70091 is a medium-severity cross-site scripting vulnerability in n/a, published on 13 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A cross-site scripting (XSS) vulnerability in the Customers function of OpenSourcePOS v3.4.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Phone Number parameter.
Weakness: CWE-79
Which versions are affected by CVE-2025-70091?
It affects 1 product.
Products include Opensourcepos Open Source Point of Sale.
How do I fix CVE-2025-70091?
No fix has been published for CVE-2025-70091 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-70091 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-70091 exists.
Other vulnerabilities in n/a
- CVE-2026-32888 Open Source Point of Sale is Vulnerable to SQL Injection Through its Item Search Functionality
- CVE-2026-26746 Path traversal in n/a
- CVE-2025-68434 opensourcepos has Cross-Site Request Forgery vulnerability that leads to Unauthorized Administrator Creation
- CVE-2025-68147 opensourcepos has a Cross-site Scripting vulnerability
- CVE-2025-63800 Auth bypass in n/a
Sources
Also known as GHSA-vwfj-gc28-j2fg.