CVE-2020-28414: A reflected cross-site scripting (XSS) vulnerability exists in the TranzWare Payment Gateway 3.1.12.3.2

Routine

MEDIUM 6.1DOWNGRADE

CVE-2020-28414 is a medium-severity flaw (CVSS 6.1) affecting tranzware payment gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A reflected cross-site scripting (XSS) vulnerability exists in the TranzWare Payment Gateway 3.1.12.3.2. A remote unauthenticated attacker is able to execute arbitrary HTML code via crafted url (different vector than CVE-2020-28415).

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-11-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tranzware payment gateway project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-11-12 20:15 UTCPublished CVE record published
2026-06-17 03:10 UTCUpdated Record last modified

tranzware payment gateway project tranzware payment gateway DOWNGRADE

Affected: 3.1.12.3.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.1.12.3.2

1. Check installed version

apt-cache policy tranzware-payment-gateway || rpm -q tranzware-payment-gateway || tranzware-payment-gateway --version

2. No fixed release: DOWNGRADE to a release before 3.1.12.3.2 (Debian / Ubuntu)

apt-cache madison tranzware-payment-gateway sudo apt install tranzware-payment-gateway=<VERSION_BEFORE_3.1.12.3.2> sudo apt-mark hold tranzware-payment-gateway

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list tranzware-payment-gateway sudo dnf downgrade tranzware-payment-gateway-<VERSION_BEFORE_3.1.12.3.2> sudo dnf versionlock add tranzware-payment-gateway

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2020-28414?

tranzware payment gateway: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-28414 being exploited?

CVE-2020-28414 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-2020-28414 affect?

CVE-2020-28414 affects tranzware payment gateway. Severity is medium (CVSS 6.1). A reflected cross-site scripting (XSS) vulnerability exists in the TranzWare Payment Gateway 3.1.12.3.2. A remote unauthenticated attacker is able to execute arbitrary HTML code via crafted url (different vector than CVE-2020-28415).

How urgent is CVE-2020-28414?

Priority 38/100. No elevated risk signals yet.

Related CVEs

CVE-2020-28415 MEDIUM 6.1 DOWNGRADE A reflected cross-site scripting (XSS) vulnerability exists in the TranzWare Payment Gateway 3.1.12.3.2

References

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