CVE-2008-6893: Cross-site scripting (XSS) vulnerability in Alt-N MDaemon WorldClient 10.0.2, when Internet Explorer 7 is used

Routine

MEDIUM 4.3DOWNGRADE

CVE-2008-6893 is a medium-severity flaw (CVSS 4.3) affecting worldclient. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Alt-N MDaemon WorldClient 10.0.2, when Internet Explorer 7 is used, allows remote attackers to inject arbitrary web script or HTML via a crafted img tag.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-79
Published	2009-08-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: alt-n

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

Am I affected?

Timeline

2009-08-03 18:30 UTCPublished CVE record published
2026-06-16 23:03 UTCUpdated Record last modified

alt-n worldclient DOWNGRADE

Affected: 10.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.0.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 10.0.2 (Debian / Ubuntu)

apt-cache madison worldclient sudo apt install worldclient=<VERSION_BEFORE_10.0.2> sudo apt-mark hold worldclient

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

dnf --showduplicates list worldclient sudo dnf downgrade worldclient-<VERSION_BEFORE_10.0.2> sudo dnf versionlock add worldclient

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-2008-6893?

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

Is CVE-2008-6893 being exploited?

CVE-2008-6893 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-2008-6893 affect?

CVE-2008-6893 affects worldclient. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Alt-N MDaemon WorldClient 10.0.2, when Internet Explorer 7 is used, allows remote attackers to inject arbitrary web script or HTML via a crafted img tag.

How urgent is CVE-2008-6893?

Priority 34/100. No elevated risk signals yet.

Software pages

Internet Explorer vulnerabilities

Related CVEs

CVE-2008-6967 MEDIUM 5.0 UPGRADE UPGRADE Multiple unspecified vulnerabilities in WorldClient in Alt-N MDaemon before 10.02 have unknown impact and atta

References

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