CVE-2007-2477: PHP remote file inclusion vulnerability in phpMyChat.php3 in phpMyChat 0.14.5 allows remote attackers to execu

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HIGH 7.5DOWNGRADE

CVE-2007-2477 is a high-severity flaw (CVSS 7.5) affecting phpmychat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in phpMyChat.php3 in phpMyChat 0.14.5 allows remote attackers to execute arbitrary PHP code via a URL in the {ChatPath} parameter. NOTE: this has been disputed by multiple third parties and CVE because $ChatPath is set to a constant value

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	2.2% (top 18%)
CISA exploited list	No
Published	2007-05-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phpmychat

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

Am I affected?

Timeline

2007-05-03 00:19 UTCPublished CVE record published
2026-06-16 22:39 UTCUpdated Record last modified

phpmychat phpmychat DOWNGRADE

Affected: 0.14.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.14.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.14.5 (Debian / Ubuntu)

apt-cache madison phpmychat sudo apt install phpmychat=<VERSION_BEFORE_0.14.5> sudo apt-mark hold phpmychat

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

dnf --showduplicates list phpmychat sudo dnf downgrade phpmychat-<VERSION_BEFORE_0.14.5> sudo dnf versionlock add phpmychat

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-2007-2477?

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

Is CVE-2007-2477 being exploited?

CVE-2007-2477 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-2007-2477 affect?

CVE-2007-2477 affects phpmychat. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in phpMyChat.php3 in phpMyChat 0.14.5 allows remote attackers to execute arbitrary PHP code via a URL in the {ChatPath} parameter. NOTE: this has been disputed by multiple third parties and CVE becau

How urgent is CVE-2007-2477?

Priority 47/100. High severity

Software pages

PHP vulnerabilities

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References

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