CVE-2007-3534: SQL injection vulnerability in login.php in WebChat 0.78 allows remote attackers to execute arbitrary SQL comm

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HIGH 7.5DOWNGRADE

CVE-2007-3534 is a high-severity flaw (CVSS 7.5) affecting webchat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in login.php in WebChat 0.78 allows remote attackers to execute arbitrary SQL commands via the rid 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	1.1% (top 35%)
CISA exploited list	No
Published	2007-07-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: daniel toma

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

Am I affected?

Timeline

2007-07-03 20:30 UTCPublished CVE record published
2026-06-16 22:42 UTCUpdated Record last modified

daniel toma webchat DOWNGRADE

Affected: 0.78

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.78

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.78 (Debian / Ubuntu)

apt-cache madison webchat sudo apt install webchat=<VERSION_BEFORE_0.78> sudo apt-mark hold webchat

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

dnf --showduplicates list webchat sudo dnf downgrade webchat-<VERSION_BEFORE_0.78> sudo dnf versionlock add webchat

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: WebChat 0.78 - 'login.php?rid' SQL Injection

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-2007-3534?

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

Is CVE-2007-3534 being exploited?

CVE-2007-3534 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-2007-3534 affect?

CVE-2007-3534 affects webchat. Severity is high (CVSS 7.5). SQL injection vulnerability in login.php in WebChat 0.78 allows remote attackers to execute arbitrary SQL commands via the rid parameter.

How urgent is CVE-2007-3534?

Priority 47/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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