How severe is CVE-2009-4786?

CVE-2009-4786 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-4786 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4786?

CVE-2009-4786 primarily affects Pligg Pligg Cms. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4786?

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

When was CVE-2009-4786 published?

CVE-2009-4786 was published on 2010-04-21 and last updated on 2026-06-16.

CVE-2009-4786

CVE-2009-4786 is a medium-severity vulnerability in Pligg Pligg Cms 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% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Pligg Pligg Cms
Published: 2010-04-21
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in Pligg before 1.0.3 allow remote attackers to inject arbitrary web script or HTML via the HTTP Referer header to (1) admin/admin_config.php, (2) admin/admin_modules.php, (3) delete.php, (4) editlink.php, (5) submit.php, (6) submit_groups.php, (7) user_add_remove_links.php, and (8) user_settings.php.

Frequently asked questions

What is CVE-2009-4786?: Multiple cross-site scripting (XSS) vulnerabilities in Pligg before 1.0.3 allow remote attackers to inject arbitrary web script or HTML via the HTTP Referer header to (1) admin/admin_config.php, (2) admin/admin_modules.php, (3) delete.php, (4) editlink.php, (5) submit.php, (6) submit_groups.php, (7) user_add_remove_links.php, and (8) user_settings.php.
How severe is CVE-2009-4786?: CVE-2009-4786 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-4786 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4786?: CVE-2009-4786 primarily affects Pligg Pligg Cms. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4786?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4786 published?: CVE-2009-4786 was published on 2010-04-21 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:pligg:pligg_cms:*:*:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:1.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:1.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:1.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:1.0.0:rc4:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:1.0.0:rc5:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:9.5:*:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:9.9:*:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:9.9.0:*:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:9.9.0:beta:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:9.9.5:*:*:*:*:*:*:*
cpe:2.3:a:pligg:pligg_cms:9.9.5:beta:*:*:*:*:*:*

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