CVE-2005-2953: Cross-site scripting (XSS) vulnerability in merchant.mvc in MIVA Merchant 5 allows remote attackers to inject

Routine

MEDIUM 4.3DOWNGRADE

CVE-2005-2953 is a medium-severity flaw (CVSS 4.3) affecting miva merchant. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in merchant.mvc in MIVA Merchant 5 allows remote attackers to inject arbitrary web script or HTML via the Customer_Login parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.7% (top 22%)
CISA exploited list	No
Published	2005-09-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: miva

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-09-16 22:03 UTCPublished CVE record published
2026-06-16 22:15 UTCUpdated Record last modified

miva miva merchant DOWNGRADE

Affected: 5.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0

1. Check installed version

apt-cache policy miva-merchant || rpm -q miva-merchant || miva-merchant --version

2. No fixed release: DOWNGRADE to a release before 5.0 (Debian / Ubuntu)

apt-cache madison miva-merchant sudo apt install miva-merchant=<VERSION_BEFORE_5.0> sudo apt-mark hold miva-merchant

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

dnf --showduplicates list miva-merchant sudo dnf downgrade miva-merchant-<VERSION_BEFORE_5.0> sudo dnf versionlock add miva-merchant

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: MIVA Merchant 5 - Merchant.MVC Cross-Site Scripting

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-2005-2953?

miva merchant: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-2953 being exploited?

CVE-2005-2953 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-2005-2953 affect?

CVE-2005-2953 affects miva merchant. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in merchant.mvc in MIVA Merchant 5 allows remote attackers to inject arbitrary web script or HTML via the Customer_Login parameter.

How urgent is CVE-2005-2953?

Priority 39/100. Public exploit reference

References

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