CVE-2005-0485: Cross-site scripting (XSS) vulnerability in comment.php for paNews 2.0b4 for PHP Arena allows remote attackers

This month

MEDIUM 6.8DOWNGRADE

CVE-2005-0485 is a medium-severity flaw (CVSS 6.8) affecting panews. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in comment.php for paNews 2.0b4 for PHP Arena allows remote attackers to inject arbitrary HTML and web script via the showpost parameter.

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	1.8% (top 21%)
CISA exploited list	No
Weakness	CWE-79
Published	2005-03-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phparena

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

Am I affected?

Timeline

2005-03-30 05:00 UTCPublished CVE record published
2026-06-16 22:11 UTCUpdated Record last modified

phparena panews DOWNGRADE

Affected: 2.0b4

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0b4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0b4 (Debian / Ubuntu)

apt-cache madison panews sudo apt install panews=<VERSION_BEFORE_2.0b4> sudo apt-mark hold panews

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

dnf --showduplicates list panews sudo dnf downgrade panews-<VERSION_BEFORE_2.0b4> 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.

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-2005-0485?

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

Is CVE-2005-0485 being exploited?

CVE-2005-0485 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-2005-0485 affect?

CVE-2005-0485 affects panews. Severity is medium (CVSS 6.8). Cross-site scripting (XSS) vulnerability in comment.php for paNews 2.0b4 for PHP Arena allows remote attackers to inject arbitrary HTML and web script via the showpost parameter.

How urgent is CVE-2005-0485?

Priority 49/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2005-0647 MEDIUM 5.0 DOWNGRADE admin_setup.php in paNews 2.0.4b allows remote attackers to inject arbitrary PHP code via the (1) $form[commen
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

References

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