CVE-2007-0831: Multiple PHP remote file inclusion vulnerabilities in Atsphp 5.0.1 allow remote attackers to execute arbitrary

This month

HIGH 7.5DOWNGRADE

CVE-2007-0831 is a high-severity flaw (CVSS 7.5) affecting atsphp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple PHP remote file inclusion vulnerabilities in Atsphp 5.0.1 allow remote attackers to execute arbitrary PHP code via a URL in the CONF[path] parameter to (1) index.php, (2) sources/usercp.php, or (3) sources/admin.php. NOTE: Another researcher has disputed this vulnerability, noting that CONF[path] is defined before use in index.php, that CONF[path] inclusion cannot occur through a direct request to other affected files, and that usercp.p

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-94
Published	2007-02-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: atsphp

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

Am I affected?

Timeline

2007-02-07 22:28 UTCPublished CVE record published
2026-06-16 22:36 UTCUpdated Record last modified

atsphp atsphp DOWNGRADE

Affected: 5.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.0.1 (Debian / Ubuntu)

apt-cache madison atsphp sudo apt install atsphp=<VERSION_BEFORE_5.0.1> sudo apt-mark hold atsphp

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

dnf --showduplicates list atsphp sudo dnf downgrade atsphp-<VERSION_BEFORE_5.0.1> sudo dnf versionlock add atsphp

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-2007-0831?

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

Is CVE-2007-0831 being exploited?

CVE-2007-0831 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-2007-0831 affect?

CVE-2007-0831 affects atsphp. Severity is high (CVSS 7.5). Multiple PHP remote file inclusion vulnerabilities in Atsphp 5.0.1 allow remote attackers to execute arbitrary PHP code via a URL in the CONF[path] parameter to (1) index.php, (2) sources/usercp.php, or (3) sources/admin.php. NOTE: Another

How urgent is CVE-2007-0831?

Priority 43/100. High severity

Software pages

PHP vulnerabilities

References

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