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

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MEDIUM 5.8DOWNGRADE

CVE-2007-6471 is a medium-severity flaw (CVSS 5.8) affecting phpay. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Incomplete blacklist vulnerability in main.php in phPay 2.02.01 on Windows allows remote attackers to conduct directory traversal attacks and include and execute arbitrary local files via a ..\ (dot dot backslash) in the config parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.8 (Medium)
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-22
Published	2007-12-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phpay

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

Am I affected?

Timeline

2007-12-20 00:46 UTCPublished CVE record published
2026-06-16 22:48 UTCUpdated Record last modified

phpay phpay DOWNGRADE

Affected: 2.2.1 · 2.02.01

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.2.1 (Debian / Ubuntu)

apt-cache madison phpay sudo apt install phpay=<VERSION_BEFORE_2.2.1> sudo apt-mark hold phpay

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

dnf --showduplicates list phpay sudo dnf downgrade phpay-<VERSION_BEFORE_2.2.1> 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 2.2.1 - Windows Installations Local File Inclusion

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-2007-6471?

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

Is CVE-2007-6471 being exploited?

CVE-2007-6471 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-2007-6471 affect?

CVE-2007-6471 affects phpay. Severity is medium (CVSS 5.8). Incomplete blacklist vulnerability in main.php in phPay 2.02.01 on Windows allows remote attackers to conduct directory traversal attacks and include and execute arbitrary local files via a ..\ (dot dot backslash) in the config parameter.

How urgent is CVE-2007-6471?

Priority 46/100. Public exploit reference

Software pages

PHP vulnerabilities · Windows vulnerabilities

Related CVEs

CVE-2006-4210 LOW 2.6 DOWNGRADE nu_mail.inc.php in Andreas Kansok phPay 2.02 and 2.02.1, when register_globals is enabled, allows remote attac

References

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