CVE-2004-2715: edituser.php3 in PHPMyChat 0.14.5 allow remote attackers to bypass authentication and gain administrative priv

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HIGH 7.5DOWNGRADE

CVE-2004-2715 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.

edituser.php3 in PHPMyChat 0.14.5 allow remote attackers to bypass authentication and gain administrative privileges by setting the do_not_login parameter to false.

Why this priority

High severity
EPSS top 8%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	4.6% (top 8%)
CISA exploited list	No
Weakness	CWE-287
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: php heaven

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:10 UTCUpdated Record last modified

php heaven 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.

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: phpHeaven phpMyChat 0.14.5 - 'edituser.php3?do_not_login' Authentication Bypass

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-2004-2715?

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

Is CVE-2004-2715 being exploited?

CVE-2004-2715 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-2004-2715 affect?

CVE-2004-2715 affects phpmychat. Severity is high (CVSS 7.5). edituser.php3 in PHPMyChat 0.14.5 allow remote attackers to bypass authentication and gain administrative privileges by setting the do_not_login parameter to false.

How urgent is CVE-2004-2715?

Priority 54/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

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References

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