CVE-2009-3636

CVE-2009-3636 is a medium-severity vulnerability in Typo3 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% (78th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-79
• Affected product: Typo3
• Published: 2009-11-02
• Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the Install Tool subcomponent in TYPO3 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x before 4.2.10, and 4.3.x before 4.3beta2 allows remote attackers to inject arbitrary web script or HTML via unspecified parameters.

Frequently asked questions

What is CVE-2009-3636?

Cross-site scripting (XSS) vulnerability in the Install Tool subcomponent in TYPO3 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x before 4.2.10, and 4.3.x before 4.3beta2 allows remote attackers to inject arbitrary web script or HTML via unspecified parameters.

How severe is CVE-2009-3636?

CVE-2009-3636 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-3636 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3636?

CVE-2009-3636 primarily affects Typo3. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3636?

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

When was CVE-2009-3636 published?

CVE-2009-3636 was published on 2009-11-02 and last updated on 2026-06-16.

References

• http://marc.info/?l=oss-security&m=125632856206736&w=2
• http://marc.info/?l=oss-security&m=125633199111438&w=2
• http://secunia.com/advisories/37122
• http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-016/
• http://www.securityfocus.com/bid/36801
• http://www.vupen.com/english/advisories/2009/3009
• https://exchange.xforce.ibmcloud.com/vulnerabilities/53929

Affected products (59)

• cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:0.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:1.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:1.1.09:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:1.1.10:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:1.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:1.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:1.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:3.0:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:3.3.x:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:3.5:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:3.5.x:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:3.6.x:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:3.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:3.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:3.7.x:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:3.8:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:3.8.x:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.0:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.1.0:beta1:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.1.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:typo3:typo3:4.1.5:*:*:*:*:*:*:*

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