CVE-2004-1566: Cross-site scripting (XSS) vulnerability in index.php in Silent Storm Portal 2.1 and 2.2 allows remote attacke

Routine

MEDIUM 4.3DOWNGRADE

CVE-2004-1566 is a medium-severity flaw (CVSS 4.3) affecting silent-storm portal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in index.php in Silent Storm Portal 2.1 and 2.2 allows remote attackers to execute arbitrary web script or HTML via the module parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: silent-storm

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 22:07 UTCUpdated Record last modified

silent-storm silent-storm portal DOWNGRADE

Affected: 2.1 · 2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1

1. Check installed version

apt-cache policy silent-storm-portal || rpm -q silent-storm-portal || silent-storm-portal --version

2. No fixed release: DOWNGRADE to a release before 2.1 (Debian / Ubuntu)

apt-cache madison silent-storm-portal sudo apt install silent-storm-portal=<VERSION_BEFORE_2.1> sudo apt-mark hold silent-storm-portal

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

dnf --showduplicates list silent-storm-portal sudo dnf downgrade silent-storm-portal-<VERSION_BEFORE_2.1> sudo dnf versionlock add silent-storm-portal

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-2004-1566?

silent-storm portal: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-1566 being exploited?

CVE-2004-1566 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-2004-1566 affect?

CVE-2004-1566 affects silent-storm portal. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in index.php in Silent Storm Portal 2.1 and 2.2 allows remote attackers to execute arbitrary web script or HTML via the module parameter.

How urgent is CVE-2004-1566?

Priority 37/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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