How severe is CVE-2009-4157?

CVE-2009-4157 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-4157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4157?

CVE-2009-4157 primarily affects Joomlatune Com Proofreader. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4157?

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

When was CVE-2009-4157 published?

CVE-2009-4157 was published on 2009-12-02 and last updated on 2026-06-16.

CVE-2009-4157

CVE-2009-4157 is a medium-severity vulnerability in Joomlatune Com Proofreader 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: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Joomlatune Com Proofreader
Published: 2009-12-02
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in index.php in the ProofReader (com_proofreader) component 1.0 RC9 and earlier for Joomla! allow remote attackers to inject arbitrary web script or HTML via the URI, which is not properly handled in (1) 404 or (2) error pages.

Frequently asked questions

What is CVE-2009-4157?: Multiple cross-site scripting (XSS) vulnerabilities in index.php in the ProofReader (com_proofreader) component 1.0 RC9 and earlier for Joomla! allow remote attackers to inject arbitrary web script or HTML via the URI, which is not properly handled in (1) 404 or (2) error pages.
How severe is CVE-2009-4157?: CVE-2009-4157 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-4157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4157?: CVE-2009-4157 primarily affects Joomlatune Com Proofreader. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4157?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4157 published?: CVE-2009-4157 was published on 2009-12-02 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:joomlatune:com_proofreader:*:rc9:*:*:*:*:*:*
cpe:2.3:a:joomlatune:com_proofreader:1.0:rc6:*:*:*:*:*:*

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