CVE-2007-1908: PHP file inclusion vulnerability in php121db.php in PHP121 Instant Messenger 2.2 allows remote attackers to ex

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MEDIUM 6.8DOWNGRADE

CVE-2007-1908 is a medium-severity flaw (CVSS 6.8) affecting php121 instant messenger. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP file inclusion vulnerability in php121db.php in PHP121 Instant Messenger 2.2 allows remote attackers to execute arbitrary PHP code via a UNC share pathname or a local file pathname in the php121dir parameter, which is accessed by the file_exists function.

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	3.1% (top 12%)
CISA exploited list	No
Published	2007-04-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: php121

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

Am I affected?

Timeline

2007-04-10 23:19 UTCPublished CVE record published
2026-06-16 22:38 UTCUpdated Record last modified

php121 php121 instant messenger DOWNGRADE

Affected: 2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2

1. Check installed version

apt-cache policy php121-instant-messenger || rpm -q php121-instant-messenger || php121-instant-messenger --version

2. No fixed release: DOWNGRADE to a release before 2.2 (Debian / Ubuntu)

apt-cache madison php121-instant-messenger sudo apt install php121-instant-messenger=<VERSION_BEFORE_2.2> sudo apt-mark hold php121-instant-messenger

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

dnf --showduplicates list php121-instant-messenger sudo dnf downgrade php121-instant-messenger-<VERSION_BEFORE_2.2> sudo dnf versionlock add php121-instant-messenger

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: PHP121 Instant Messenger 2.2 - 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-2007-1908?

php121 instant messenger: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-1908 being exploited?

CVE-2007-1908 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-2007-1908 affect?

CVE-2007-1908 affects php121 instant messenger. Severity is medium (CVSS 6.8). PHP file inclusion vulnerability in php121db.php in PHP121 Instant Messenger 2.2 allows remote attackers to execute arbitrary PHP code via a UNC share pathname or a local file pathname in the php121dir parameter, which is accessed by the fi

How urgent is CVE-2007-1908?

Priority 51/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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