How severe is CVE-2009-4458?

CVE-2009-4458 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-4458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4458?

CVE-2009-4458 primarily affects Freepbx. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4458?

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

When was CVE-2009-4458 published?

CVE-2009-4458 was published on 2009-12-30 and last updated on 2026-06-16.

CVE-2009-4458

CVE-2009-4458 is a medium-severity vulnerability in Freepbx 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: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Freepbx
Published: 2009-12-30
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in FreePBX 2.5.2 and 2.6.0rc2, and possibly other versions, allow remote attackers to inject arbitrary web script or HTML via the (1) tech parameter to admin/admin/config.php during a trunks display action, the (2) description parameter during an Add Zap Channel action, and (3) unspecified vectors during an Add Recordings action.

Frequently asked questions

What is CVE-2009-4458?: Multiple cross-site scripting (XSS) vulnerabilities in FreePBX 2.5.2 and 2.6.0rc2, and possibly other versions, allow remote attackers to inject arbitrary web script or HTML via the (1) tech parameter to admin/admin/config.php during a trunks display action, the (2) description parameter during an Add Zap Channel action, and (3) unspecified vectors during an Add Recordings action.
How severe is CVE-2009-4458?: CVE-2009-4458 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-4458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4458?: CVE-2009-4458 primarily affects Freepbx. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4458?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4458 published?: CVE-2009-4458 was published on 2009-12-30 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:freepbx:freepbx:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:freepbx:freepbx:2.6.0:rc2:*:*:*:*:*:*

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