CVE-2026-39380: Open Source Point of Sale is a web based point-of-sale application written in PHP using CodeIgniter framework
CVE-2026-39380 is a medium-severity flaw (CVSS 5.4) affecting open source point of sale. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Open Source Point of Sale is a web based point-of-sale application written in PHP using CodeIgniter framework. Prior to 3.4.3, a Stored Cross-Site Scripting (XSS) vulnerability exists in the Stock Locations configuration feature. The application fails to properly sanitize user input supplied through the stock_location parameter, allowing attackers to inject malicious JavaScript code that is stored in the database and executed when rendered in the
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 95%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2026-04-07 |
| Last modified | 2026-07-24 |
Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-39380?
open source point of sale: upgrade to 3.4.3. Exact commands for each OS are on this page.
Is CVE-2026-39380 being exploited?
CVE-2026-39380 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-39380 affect?
CVE-2026-39380 affects open source point of sale. Severity is medium (CVSS 5.4). Open Source Point of Sale is a web based point-of-sale application written in PHP using CodeIgniter framework. Prior to 3.4.3, a Stored Cross-Site Scripting (XSS) vulnerability exists in the Stock Locations configuration feature. The applic
How urgent is CVE-2026-39380?
Priority 25/100. Public exploit reference
Software pages
Related CVEs
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- CVE-2026-32888 HIGH 8.8 UPGRADE Open Source Point of Sale is a web based point-of-sale application written in PHP using CodeIgniter framework
- CVE-2026-26746 HIGH 8.8 DOWNGRADE OpenSourcePOS 3.4.1 contains a Local File Inclusion (LFI) vulnerability in the Sales.php::getInvoice() functio
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