How severe is CVE-2008-0851?

CVE-2008-0851 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-0851 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-0851?

CVE-2008-0851 affects Dokeos E-learning System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-0851?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-0851 published?

CVE-2008-0851 was published on 2008-02-21 and last updated on 2026-06-16.

CVE-2008-0851

CVE-2008-0851 is a medium-severity vulnerability in Dokeos E-learning System with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Dokeos E-learning System
Published: 2008-02-21
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in Dokeos 1.8.4 allow remote attackers to inject arbitrary web script or HTML via the (1) username parameter to inscription.php, (2) courseCode parameter to main/calendar/myagenda.php, (3) category parameter to main/admin/course_category.php, (4) message parameter to main/admin/session_list.php in a show_message action, and (5) an avatar image to main/auth/profile.php.

Frequently asked questions

What is CVE-2008-0851?: Multiple cross-site scripting (XSS) vulnerabilities in Dokeos 1.8.4 allow remote attackers to inject arbitrary web script or HTML via the (1) username parameter to inscription.php, (2) courseCode parameter to main/calendar/myagenda.php, (3) category parameter to main/admin/course_category.php, (4) message parameter to main/admin/session_list.php in a show_message action, and (5) an avatar image to main/auth/profile.php.
How severe is CVE-2008-0851?: CVE-2008-0851 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-0851 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-0851?: CVE-2008-0851 affects Dokeos E-learning System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-0851?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-0851 published?: CVE-2008-0851 was published on 2008-02-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:dokeos:e-learning_system:1.8.4:*:*:*:*:*:*:*

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