CVE-2008-6900: Unrestricted file upload vulnerability in "Add Pen/Author Name" feature in addpen.php in AvailScript Article S

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MEDIUM 6.5MITIGATE

CVE-2008-6900 is a medium-severity flaw (CVSS 6.5) affecting availscript article script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unrestricted file upload vulnerability in "Add Pen/Author Name" feature in addpen.php in AvailScript Article Script allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in photos/.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.5 (Medium)
EPSS exploit chance	3.3% (top 11%)
CISA exploited list	No
Weakness	CWE-94
Published	2009-08-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: availscript

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

Am I affected?

Timeline

2009-08-06 00:30 UTCPublished CVE record published
2026-06-16 23:03 UTCUpdated Record last modified

availscript availscript article 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 availscript-article-script || rpm -q availscript-article-script || availscript-article-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: AvailScript Article Script - Arbitrary File Upload

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-2008-6900?

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

Is CVE-2008-6900 being exploited?

CVE-2008-6900 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-2008-6900 affect?

CVE-2008-6900 affects availscript article script. Severity is medium (CVSS 6.5). Unrestricted file upload vulnerability in "Add Pen/Author Name" feature in addpen.php in AvailScript Article Script allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, then accessing

How urgent is CVE-2008-6900?

Priority 50/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2008-6037 HIGH 7.5 MITIGATE SQL injection vulnerability in view.php in AvailScript Article Script allows remote attackers to execute arbit
CVE-2008-4372 MEDIUM 4.3 MITIGATE Cross-site scripting (XSS) vulnerability in articles.php in AvailScript Article Script allows remote attackers
CVE-2008-4371 HIGH 7.5 MITIGATE SQL injection vulnerability in articles.php in AvailScript Article Script allows remote attackers to execute a

References

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