CVE-2004-1645: Cross-site scripting (XSS) vulnerability in Xedus 1.0 allows remote attackers to execute arbitrary web script

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MEDIUM 4.3DOWNGRADE

CVE-2004-1645 is a medium-severity flaw (CVSS 4.3) affecting xedus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Xedus 1.0 allows remote attackers to execute arbitrary web script or HTML via the (1) username parameter to test.x, (2) username parameter to TestServer.x, or (3) param parameter to testgetrequest.x.

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	3.6% (top 10%)
CISA exploited list	No
Published	2004-08-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: jerod moemeka

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

Am I affected?

Timeline

2004-08-30 04:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

jerod moemeka xedus DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison xedus sudo apt install xedus=<VERSION_BEFORE_1.0> sudo apt-mark hold xedus

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

dnf --showduplicates list xedus sudo dnf downgrade xedus-<VERSION_BEFORE_1.0> sudo dnf versionlock add xedus

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: Xedus Web Server 1.0 - test.x 'Username' Cross-Site Scripting
Exploit-DB: Xedus Web Server 1.0 - testgetrequest.x 'Username' Cross-Site Scripting

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-2004-1645?

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

Is CVE-2004-1645 being exploited?

CVE-2004-1645 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-2004-1645 affect?

CVE-2004-1645 affects xedus. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Xedus 1.0 allows remote attackers to execute arbitrary web script or HTML via the (1) username parameter to test.x, (2) username parameter to TestServer.x, or (3) param parameter to testgetrequest

How urgent is CVE-2004-1645?

Priority 42/100. Public exploit reference

Related CVEs

CVE-2004-1646 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in Xedus 1.0 allows remote attackers to read arbitrary files via a .
CVE-2004-1644 MEDIUM 5.0 DOWNGRADE Xedus 1.0 allows remote attackers to cause a denial of service (refuse connections) by connecting multiple tim

References

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