CVE-2007-2307: PHP remote file inclusion vulnerability in engine/engine.inc.php in WebKalk2 1.9.0 allows remote attackers to

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HIGH 7.5DOWNGRADE

CVE-2007-2307 is a high-severity flaw (CVSS 7.5) affecting webkalk2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in engine/engine.inc.php in WebKalk2 1.9.0 allows remote attackers to execute arbitrary PHP code via a URL in the absolute_path parameter.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Published	2007-04-26
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: webkalk2

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

Am I affected?

Timeline

2007-04-26 21:19 UTCPublished CVE record published
2026-06-16 22:39 UTCUpdated Record last modified

webkalk2 webkalk2 DOWNGRADE

Affected: 1.9.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.9.0

1. Check installed version

apt-cache policy webkalk2 || rpm -q webkalk2 || webkalk2 --version

2. No fixed release: DOWNGRADE to a release before 1.9.0 (Debian / Ubuntu)

apt-cache madison webkalk2 sudo apt install webkalk2=<VERSION_BEFORE_1.9.0> sudo apt-mark hold webkalk2

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

dnf --showduplicates list webkalk2 sudo dnf downgrade webkalk2-<VERSION_BEFORE_1.9.0> sudo dnf versionlock add webkalk2

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: WebKalk2 1.9.0 - 'absolute_path' 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-2007-2307?

webkalk2: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-2307 being exploited?

CVE-2007-2307 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-2007-2307 affect?

CVE-2007-2307 affects webkalk2. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in engine/engine.inc.php in WebKalk2 1.9.0 allows remote attackers to execute arbitrary PHP code via a URL in the absolute_path parameter.

How urgent is CVE-2007-2307?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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