How severe is CVE-2009-4780?

CVE-2009-4780 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-4780 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-2009-4780?

CVE-2009-4780 primarily affects Phpmyfaq. In total, 119 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4780?

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

When was CVE-2009-4780 published?

CVE-2009-4780 was published on 2010-04-21 and last updated on 2026-06-16.

CVE-2009-4780

CVE-2009-4780 is a medium-severity vulnerability in Phpmyfaq 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: Phpmyfaq
Published: 2010-04-21
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in index.php in phpMyFAQ before 2.5.5 allow remote attackers to inject arbitrary web script or HTML via (1) the lang parameter in a sitemap action, (2) the search parameter in a search action, (3) the tagging_id parameter in a search action, (4) the highlight parameter in an artikel action, (5) the artlang parameter in an artikel action, (6) the letter parameter in a sitemap action, (7) the lang parameter in a show action, (8) the cat parameter in a show action, (9) the newslang parameter in a news action, (10) the artlang parameter in a send2friend action, (11) the cat parameter in a send2friend action, (12) the id parameter in a send2friend action, (13) the srclang parameter in a translate action, (14) the id parameter in a translate action, (15) the cat parameter in a translate action, (16) the cat parameter in an add action, or (17) the question parameter in an add action. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Frequently asked questions

What is CVE-2009-4780?: Multiple cross-site scripting (XSS) vulnerabilities in index.php in phpMyFAQ before 2.5.5 allow remote attackers to inject arbitrary web script or HTML via (1) the lang parameter in a sitemap action, (2) the search parameter in a search action, (3) the tagging_id parameter in a search action, (4) the highlight parameter in an artikel action, (5) the artlang parameter in an artikel action, (6) the letter parameter in a sitemap action, (7) the lang parameter in a show action, (8) the cat parameter in a show action, (9) the newslang parameter in a news action, (10) the artlang parameter in a send2friend action, (11) the cat parameter in a send2friend action, (12) the id parameter in a send2friend action, (13) the srclang parameter in a translate action, (14) the id parameter in a translate action, (15) the cat parameter in a translate action, (16) the cat parameter in an add action, or (17) the question parameter in an add action. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
How severe is CVE-2009-4780?: CVE-2009-4780 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-4780 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-2009-4780?: CVE-2009-4780 primarily affects Phpmyfaq. In total, 119 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4780?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4780 published?: CVE-2009-4780 was published on 2010-04-21 and last updated on 2026-06-16.

References

Affected products (119)

cpe:2.3:a:phpmyfaq:phpmyfaq:*:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:0.60:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:0.65:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:0.70:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:0.80:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:0.80a:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:0.85:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:0.86:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:0.87:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:0.90:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:0.95:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:0.666:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.0:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.0.1a:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.1.3:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.1.4:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.1.4a:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.1.5:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.2.5a:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.2.5b:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.3.4:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.3.5:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.3.6:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.3.7:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.3.8:*:*:*:*:*:*:*
cpe:2.3:a:phpmyfaq:phpmyfaq:1.3.9:*:*:*:*:*:*:*

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CVE-2023-5865 — Critical (CVSS 9.8): Insufficient Session Expiration in GitHub repository thorsten/phpmyfaq prior to 3.2.2.
CVE-2023-5227 — Critical (CVSS 9.8): Unrestricted Upload of File with Dangerous Type in GitHub repository thorsten/phpmyfaq prior to 3.1.8.
CVE-2023-4006 — Critical (CVSS 9.8): Improper Neutralization of Formula Elements in a CSV File in GitHub repository thorsten/phpmyfaq prior to 3.1.16.
CVE-2023-2429 — Critical (CVSS 9.8): Improper Access Control in GitHub repository thorsten/phpmyfaq prior to 3.1.13.
CVE-2023-0311 — Critical (CVSS 9.8): Improper Authentication in GitHub repository thorsten/phpmyfaq prior to 3.1.10.
CVE-2023-0307 — Critical (CVSS 9.8): Weak Password Requirements in GitHub repository thorsten/phpmyfaq prior to 3.1.10.

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