CVE-2006-4210: nu_mail.inc.php in Andreas Kansok phPay 2.02 and 2.02.1, when register_globals is enabled, allows remote attac

Routine

LOW 2.6DOWNGRADE

CVE-2006-4210 is a low-severity flaw (CVSS 2.6) affecting phpay. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

nu_mail.inc.php in Andreas Kansok phPay 2.02 and 2.02.1, when register_globals is enabled, allows remote attackers to use the server as an open mail relay via modified mail_text2, user_row[5], nu_mail_1, and shop_mail parameters. NOTE: some of these details are obtained from third party information.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	2.6 (Low)
EPSS exploit chance	2.1% (top 18%)
CISA exploited list	No
Published	2006-08-17
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: andreas kansok

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

Am I affected?

Timeline

2006-08-17 21:04 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

andreas kansok phpay DOWNGRADE

Affected: 2.02 · 2.02.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.02

1. Check installed version

apt-cache policy phpay || rpm -q phpay || phpay --version

2. No fixed release: DOWNGRADE to a release before 2.02 (Debian / Ubuntu)

apt-cache madison phpay sudo apt install phpay=<VERSION_BEFORE_2.02> sudo apt-mark hold phpay

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

dnf --showduplicates list phpay sudo dnf downgrade phpay-<VERSION_BEFORE_2.02> sudo dnf versionlock add phpay

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: PHPay 2.02 - 'nu_mail.inc.php?mail()' Remote Injection

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-2006-4210?

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

Is CVE-2006-4210 being exploited?

CVE-2006-4210 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-2006-4210 affect?

CVE-2006-4210 affects phpay. Severity is low (CVSS 2.6). nu_mail.inc.php in Andreas Kansok phPay 2.02 and 2.02.1, when register_globals is enabled, allows remote attackers to use the server as an open mail relay via modified mail_text2, user_row[5], nu_mail_1, and shop_mail parameters. NOTE: som

How urgent is CVE-2006-4210?

Priority 34/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-6471 MEDIUM 5.8 DOWNGRADE Incomplete blacklist vulnerability in main.php in phPay 2.02.01 on Windows allows remote attackers to conduct

References

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