CVE-2004-0305: Cross-site scripting (XSS) vulnerability in error.asp in WebCortex WebStores 2000 6.0 allows remote attackers

This month

MEDIUM 6.8DOWNGRADE

CVE-2004-0305 is a medium-severity flaw (CVSS 6.8) affecting webstores 2000. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in error.asp in WebCortex WebStores 2000 6.0 allows remote attackers to execute arbitrary script as other users and steal session IDs via the Message_id 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	2.0% (top 19%)
CISA exploited list	No
Published	2004-11-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: webcortex

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

Am I affected?

Timeline

2004-11-23 05:00 UTCPublished CVE record published
2026-06-16 22:05 UTCUpdated Record last modified

webcortex webstores 2000 DOWNGRADE

Affected: 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy webstores-2000 || rpm -q webstores-2000 || webstores-2000 --version

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison webstores-2000 sudo apt install webstores-2000=<VERSION_BEFORE_6.0> sudo apt-mark hold webstores-2000

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

dnf --showduplicates list webstores-2000 sudo dnf downgrade webstores-2000-<VERSION_BEFORE_6.0> sudo dnf versionlock add webstores-2000

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: WebCortex WebStores2000 - 'error.asp' 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-2004-0305?

webstores 2000: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-0305 being exploited?

CVE-2004-0305 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-2004-0305 affect?

CVE-2004-0305 affects webstores 2000. Severity is medium (CVSS 6.8). Cross-site scripting (XSS) vulnerability in error.asp in WebCortex WebStores 2000 6.0 allows remote attackers to execute arbitrary script as other users and steal session IDs via the Message_id parameter.

How urgent is CVE-2004-0305?

Priority 49/100. Public exploit reference

Related CVEs

CVE-2004-0304 HIGH 10.0 DOWNGRADE SQL injection vulnerability in browse_items.asp in WebCortex WebStores 2000 6.0 allows remote attackers to gai

References

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