How severe is CVE-2009-3539?

CVE-2009-3539 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-3539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3539?

CVE-2009-3539 affects Yourfreeworld Ultra Classifieds Pro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-3539?

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

When was CVE-2009-3539 published?

CVE-2009-3539 was published on 2009-10-02 and last updated on 2026-06-16.

CVE-2009-3539

CVE-2009-3539 is a medium-severity vulnerability in Yourfreeworld Ultra Classifieds Pro 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% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Yourfreeworld Ultra Classifieds Pro
Published: 2009-10-02
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in YourFreeWorld Ultra Classifieds Pro allow remote attackers to inject arbitrary web script or HTML via the (1) cname parameter to subclass.php and the (2) sn parameter to listads.php.

Frequently asked questions

What is CVE-2009-3539?: Multiple cross-site scripting (XSS) vulnerabilities in YourFreeWorld Ultra Classifieds Pro allow remote attackers to inject arbitrary web script or HTML via the (1) cname parameter to subclass.php and the (2) sn parameter to listads.php.
How severe is CVE-2009-3539?: CVE-2009-3539 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-3539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3539?: CVE-2009-3539 affects Yourfreeworld Ultra Classifieds Pro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-3539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3539 published?: CVE-2009-3539 was published on 2009-10-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:yourfreeworld:ultra_classifieds_pro:*:*:*:*:*:*:*:*

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