CVE-2005-0647: admin_setup.php in paNews 2.0.4b allows remote attackers to inject arbitrary PHP code via the (1) $form[commen

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MEDIUM 5.0DOWNGRADE

CVE-2005-0647 is a medium-severity flaw (CVSS 5.0) affecting panews. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

admin_setup.php in paNews 2.0.4b allows remote attackers to inject arbitrary PHP code via the (1) $form[comments] or (2) $form[autoapprove] parameters, which are written to config.php.

Why this priority

EPSS top 9%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	4.2% (top 9%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: php arena

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

Am I affected?

Timeline

2005-05-02 04:00 UTCPublished CVE record published
2026-06-16 22:11 UTCUpdated Record last modified

php arena panews DOWNGRADE

Affected: 2.0.4b

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.4b

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0.4b (Debian / Ubuntu)

apt-cache madison panews sudo apt install panews=<VERSION_BEFORE_2.0.4b> sudo apt-mark hold panews

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

dnf --showduplicates list panews sudo dnf downgrade panews-<VERSION_BEFORE_2.0.4b> sudo dnf versionlock add panews

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: paNews 2.0b4 - Remote Admin Creation 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-2005-0647?

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

Is CVE-2005-0647 being exploited?

CVE-2005-0647 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-2005-0647 affect?

CVE-2005-0647 affects panews. Severity is medium (CVSS 5.0). admin_setup.php in paNews 2.0.4b allows remote attackers to inject arbitrary PHP code via the (1) $form[comments] or (2) $form[autoapprove] parameters, which are written to config.php.

How urgent is CVE-2005-0647?

Priority 45/100. EPSS top 9%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2005-0646 HIGH 7.5 DOWNGRADE SQL injection vulnerability in auth.php in paNews 2.0.4b allows remote attackers to execute arbitrary SQL via
CVE-2005-0485 MEDIUM 6.8 DOWNGRADE Cross-site scripting (XSS) vulnerability in comment.php for paNews 2.0b4 for PHP Arena allows remote attackers

References

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