CVE-2004-2618: Cross-site scripting (XSS) vulnerability in Pegasi Web Server (PWS) 0.2.2 allows remote attackers to inject ar

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MEDIUM 4.3DOWNGRADE

CVE-2004-2618 is a medium-severity flaw (CVSS 4.3) affecting pegasi web server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Pegasi Web Server (PWS) 0.2.2 allows remote attackers to inject arbitrary web script or HTML via the URI, directly after the initial '/' (slash).

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	2.2% (top 18%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pegasi web server

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 22:09 UTCUpdated Record last modified

pegasi web server pegasi web server DOWNGRADE

Affected: 0.2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.2.2

1. Check installed version

apt-cache policy pegasi-web-server || rpm -q pegasi-web-server || pegasi-web-server --version

2. No fixed release: DOWNGRADE to a release before 0.2.2 (Debian / Ubuntu)

apt-cache madison pegasi-web-server sudo apt install pegasi-web-server=<VERSION_BEFORE_0.2.2> sudo apt-mark hold pegasi-web-server

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

dnf --showduplicates list pegasi-web-server sudo dnf downgrade pegasi-web-server-<VERSION_BEFORE_0.2.2> sudo dnf versionlock add pegasi-web-server

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: Pegasi Web Server 0.2.2 - Error Page 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-2004-2618?

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

Is CVE-2004-2618 being exploited?

CVE-2004-2618 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-2004-2618 affect?

CVE-2004-2618 affects pegasi web server. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Pegasi Web Server (PWS) 0.2.2 allows remote attackers to inject arbitrary web script or HTML via the URI, directly after the initial '/' (slash).

How urgent is CVE-2004-2618?

Priority 41/100. Public exploit reference

Related CVEs

CVE-2004-2617 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in Pegasi Web Server (PWS) 0.2.2 allows remote attackers to read files outsi

References

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