CVE-2007-2634: PHP remote file inclusion vulnerability in common/errormsg.php in aForum 1.32 and possibly earlier, when regis

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MEDIUM 6.8DOWNGRADE

CVE-2007-2634 is a medium-severity flaw (CVSS 6.8) affecting aforum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in common/errormsg.php in aForum 1.32 and possibly earlier, when register_globals is enabled, allows remote attackers to execute arbitrary PHP code via a URL in the header parameter. NOTE: the provenance of this information is unknown; the details are obtained solely 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	6.8 (Medium)
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Published	2007-05-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: agner fog

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

Am I affected?

Timeline

2007-05-13 23:19 UTCPublished CVE record published
2026-06-16 22:40 UTCUpdated Record last modified

agner fog aforum DOWNGRADE

Affected: 1.32

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.32

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.32 (Debian / Ubuntu)

apt-cache madison aforum sudo apt install aforum=<VERSION_BEFORE_1.32> sudo apt-mark hold aforum

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

dnf --showduplicates list aforum sudo dnf downgrade aforum-<VERSION_BEFORE_1.32> sudo dnf versionlock add aforum

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: aForum 1.32 - 'CommonAbsDir' Remote 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-2007-2634?

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

Is CVE-2007-2634 being exploited?

CVE-2007-2634 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-2007-2634 affect?

CVE-2007-2634 affects aforum. Severity is medium (CVSS 6.8). PHP remote file inclusion vulnerability in common/errormsg.php in aForum 1.32 and possibly earlier, when register_globals is enabled, allows remote attackers to execute arbitrary PHP code via a URL in the header parameter. NOTE: the proven

How urgent is CVE-2007-2634?

Priority 49/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-2596 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in common/func.php in aForum 1.32 and earlier allows remote attackers

References

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