PatchTheCVECVE-2021-28126: index.jsp in TranzWare e-Commerce Payment Gateway (TWEC PG) before 3.1.27.5 had a Stored cross-site scripting
CVE-2021-28126 is a medium-severity flaw (CVSS 6.1) affecting tranzware e-commerce payment gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
index.jsp in TranzWare e-Commerce Payment Gateway (TWEC PG) before 3.1.27.5 had a Stored cross-site scripting (XSS) vulnerability
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 49%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2021-03-19 |
| 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-2021-28126?
tranzware e-commerce payment gateway: upgrade to 3.1.27.5. Exact commands for each OS are on this page.
Is CVE-2021-28126 being exploited?
CVE-2021-28126 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-2021-28126 affect?
CVE-2021-28126 affects tranzware e-commerce payment gateway. Severity is medium (CVSS 6.1). index.jsp in TranzWare e-Commerce Payment Gateway (TWEC PG) before 3.1.27.5 had a Stored cross-site scripting (XSS) vulnerability
How urgent is CVE-2021-28126?
Priority 34/100. No elevated risk signals yet.
Related CVEs
- CVE-2021-28110 HIGH 7.5 UPGRADE /exec in TranzWare e-Commerce Payment Gateway (TWEC PG) before 3.1.27.5 had a vulnerability in its XML parser.