Is CVE-2009-3633 being actively exploited?

CVE-2009-3633 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-3633?

CVE-2009-3633 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2009-3633

MEDIUM · CVSS 4.3EPSS 0.9%EU EUVD

Cross-site scripting (XSS) vulnerability in the t3lib_div::quoteJSvalue API function 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 vectors related to the sanitizing algorithm.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-352
EPSS score: 0.9% (61th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2022-4515)
Published: November 2, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2022-4515 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

typo3 / typo3
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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(Vendor Advisory)
http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-016/(Patch, Vendor Advisory)
http://www.securityfocus.com/bid/36801(Patch)
http://www.vupen.com/english/advisories/2009/3009(Patch, Vendor Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/53925

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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