CVE-2008-6891: Multiple cross-site scripting (XSS) vulnerabilities in ASP Forum Script allow remote attackers to inject arbit

Routine

MEDIUM 4.3MITIGATE

CVE-2008-6891 is a medium-severity flaw (CVSS 4.3) affecting asp forum script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in ASP Forum Script allow remote attackers to inject arbitrary web script or HTML via the (1) forum_id parameter to (a) new_message.asp and (b) messages.asp, and the (2) query string to default.asp.

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	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-79
Published	2009-08-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: codetoad

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 14:30 UTCPublished CVE record published
2026-06-16 23:03 UTCUpdated Record last modified

codetoad asp forum script MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy asp-forum-script || rpm -q asp-forum-script || asp-forum-script --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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: ASP Forum Script - 'default.asp' Query String Cross-Site Scripting
Exploit-DB: ASP Forum Script - 'messages.asp?forum_id' Cross-Site Scripting
Exploit-DB: ASP Forum Script - 'new_message.asp?forum_id' 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-2008-6891?

asp forum script: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-6891 being exploited?

CVE-2008-6891 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-2008-6891 affect?

CVE-2008-6891 affects asp forum script. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in ASP Forum Script allow remote attackers to inject arbitrary web script or HTML via the (1) forum_id parameter to (a) new_message.asp and (b) messages.asp, and the (2) query string to de

How urgent is CVE-2008-6891?

Priority 38/100. Public exploit reference

Related CVEs

CVE-2008-6890 HIGH 7.5 MITIGATE SQL injection vulnerability in messages.asp in ASP Forum Script allows remote attackers to execute arbitrary S

References

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