PatchTheCVECVE-2026-33730: Open Source Point of Sale (opensourcepos) is a web based point of sale application written in PHP using CodeIg
CVE-2026-33730 is a medium-severity flaw (CVSS 6.5) 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 (opensourcepos) is a web based point of sale application written in PHP using CodeIgniter framework. Prior to version 3.4.2, an Insecure Direct Object Reference (IDOR) vulnerability allows an authenticated low-privileged user to access the password change functionality of other users, including administrators, by manipulating the `employee_id` parameter. The application does not verify object ownership or enforce authori
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 79%) |
| CISA exploited list | No |
| Weakness | CWE-639 |
| Published | 2026-03-27 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · 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-2026-33730?
open source point of sale: upgrade to 3.4.2. Exact commands for each OS are on this page.
Is CVE-2026-33730 being exploited?
CVE-2026-33730 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-2026-33730 affect?
CVE-2026-33730 affects open source point of sale. Severity is medium (CVSS 6.5). Open Source Point of Sale (opensourcepos) is a web based point of sale application written in PHP using CodeIgniter framework. Prior to version 3.4.2, an Insecure Direct Object Reference (IDOR) vulnerability allows an authenticated low-priv
How urgent is CVE-2026-33730?
Priority 33/100. Public exploit reference
Software pages
Related CVEs
- CVE-2026-32712 MEDIUM 5.4 UPGRADE Open Source Point of Sale is a web based point-of-sale application written in PHP using CodeIgniter framework
- CVE-2026-39380 MEDIUM 5.4 UPGRADE Open Source Point of Sale is a web based point-of-sale application written in PHP using CodeIgniter framework