How severe is CVE-2009-4789?

CVE-2009-4789 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2009-4789 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4789?

CVE-2009-4789 affects Mojoblog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-4789?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-4789 published?

CVE-2009-4789 was published on 2010-04-21 and last updated on 2026-06-16.

CVE-2009-4789

CVE-2009-4789 is a high-severity vulnerability in Mojoblog with a CVSS 2.0 base score of 7.5. 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-94.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Mojoblog
Published: 2010-04-21
Last modified: 2026-06-16

Description

Multiple PHP remote file inclusion vulnerabilities in the MojoBlog component RC 0.15 for Joomla! allow remote attackers to execute arbitrary PHP code via a URL in the mosConfig_absolute_path parameter to (1) wp-comments-post.php and (2) wp-trackback.php.

Frequently asked questions

What is CVE-2009-4789?: Multiple PHP remote file inclusion vulnerabilities in the MojoBlog component RC 0.15 for Joomla! allow remote attackers to execute arbitrary PHP code via a URL in the mosConfig_absolute_path parameter to (1) wp-comments-post.php and (2) wp-trackback.php.
How severe is CVE-2009-4789?: CVE-2009-4789 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2009-4789 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4789?: CVE-2009-4789 affects Mojoblog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-4789?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-4789 published?: CVE-2009-4789 was published on 2010-04-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:mojoblog:mojoblog:rc0.15:*:*:*:*:*:*:*

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