CVE-2007-1720: Directory traversal vulnerability in addressbook.php in the Addressbook 1.2 module for PHP-Nuke allows remote

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HIGH 7.5DOWNGRADE

CVE-2007-1720 is a high-severity flaw (CVSS 7.5) affecting addressbook. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in addressbook.php in the Addressbook 1.2 module for PHP-Nuke allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the module_name parameter, as demonstrated by injecting PHP sequences into an Apache HTTP Server log file.

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	3.1% (top 12%)
CISA exploited list	No
Published	2007-03-28
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sb-websoft

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

Am I affected?

Timeline

2007-03-28 00:19 UTCPublished CVE record published
2026-06-16 22:38 UTCUpdated Record last modified

sb-websoft addressbook DOWNGRADE

Affected: 1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.2 (Debian / Ubuntu)

apt-cache madison addressbook sudo apt install addressbook=<VERSION_BEFORE_1.2> sudo apt-mark hold addressbook

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

dnf --showduplicates list addressbook sudo dnf downgrade addressbook-<VERSION_BEFORE_1.2> sudo dnf versionlock add addressbook

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: PHP-Nuke Module AddressBook 1.2 - 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-2007-1720?

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

Is CVE-2007-1720 being exploited?

CVE-2007-1720 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-2007-1720 affect?

CVE-2007-1720 affects addressbook. Severity is high (CVSS 7.5). Directory traversal vulnerability in addressbook.php in the Addressbook 1.2 module for PHP-Nuke allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the module_name parameter, as demonstrated by injecti

How urgent is CVE-2007-1720?

Priority 53/100. High severity; Public exploit reference

Software pages

Apache HTTP Server vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2012-2307 MEDIUM 6.8 UPGRADE Cross-site request forgery (CSRF) vulnerability in the Addressbook module for Drupal 6.x-4.2 and earlier allow

References

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