CVE-2009-3633

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.

Published: 2009-11-02 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-3633 is rated Low Risk (37.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.95%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-3633

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.38% 0.95% +0.57%
2 2025-03-17 0.12% 0.38% +0.26%
3 2023-03-07 — 0.12% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-3633

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2009-3633

GitHub Security Advisory for CVE-2009-3633

GHSA-m7rg-85g8-28m9 · Severity: medium · Ecosystem: composer — TYPO3 API function vulnerable to Cross-site Scripting

OS Trackers for CVE-2009-3633

vendor priority summary link
ubuntu medium CVE-2009-3633 medium priority: Ubuntu including 1 source packages (typo3-src), 10 status rows across 10 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): ignored 5, not-affected 4, needs-triage 1. https://ubuntu.com/security/CVE-2009-3633

Affected software / configurations for CVE-2009-3633

Vendor Product Version Raw CPE
typo3 typo3 <= 4.0.12 cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
typo3 typo3 0.1.2 cpe:2.3:a:typo3:typo3:0.1.2:*:*:*:*:*:*:*
typo3 typo3 1.0.14 cpe:2.3:a:typo3:typo3:1.0.14:*:*:*:*:*:*:*
typo3 typo3 1.1 cpe:2.3:a:typo3:typo3:1.1:*:*:*:*:*:*:*
typo3 typo3 1.1.1 cpe:2.3:a:typo3:typo3:1.1.1:*:*:*:*:*:*:*
typo3 typo3 1.1.09 cpe:2.3:a:typo3:typo3:1.1.09:*:*:*:*:*:*:*
typo3 typo3 1.1.10 cpe:2.3:a:typo3:typo3:1.1.10:*:*:*:*:*:*:*
typo3 typo3 1.2.0 cpe:2.3:a:typo3:typo3:1.2.0:*:*:*:*:*:*:*
typo3 typo3 1.3.0 cpe:2.3:a:typo3:typo3:1.3.0:*:*:*:*:*:*:*
typo3 typo3 1.3.2 cpe:2.3:a:typo3:typo3:1.3.2:*:*:*:*:*:*:*
typo3 typo3 3.0 cpe:2.3:a:typo3:typo3:3.0:*:*:*:*:*:*:*
typo3 typo3 3.3.x cpe:2.3:a:typo3:typo3:3.3.x:*:*:*:*:*:*:*
typo3 typo3 3.5 cpe:2.3:a:typo3:typo3:3.5:*:*:*:*:*:*:*
typo3 typo3 3.5.x cpe:2.3:a:typo3:typo3:3.5.x:*:*:*:*:*:*:*
typo3 typo3 3.6.x cpe:2.3:a:typo3:typo3:3.6.x:*:*:*:*:*:*:*
typo3 typo3 3.7.0 cpe:2.3:a:typo3:typo3:3.7.0:*:*:*:*:*:*:*
typo3 typo3 3.7.1 cpe:2.3:a:typo3:typo3:3.7.1:*:*:*:*:*:*:*
typo3 typo3 3.7.x cpe:2.3:a:typo3:typo3:3.7.x:*:*:*:*:*:*:*
typo3 typo3 3.8 cpe:2.3:a:typo3:typo3:3.8:*:*:*:*:*:*:*
typo3 typo3 3.8.x cpe:2.3:a:typo3:typo3:3.8.x:*:*:*:*:*:*:*
typo3 typo3 4.0 cpe:2.3:a:typo3:typo3:4.0:*:*:*:*:*:*:*
typo3 typo3 4.0.1 cpe:2.3:a:typo3:typo3:4.0.1:*:*:*:*:*:*:*
typo3 typo3 4.0.2 cpe:2.3:a:typo3:typo3:4.0.2:*:*:*:*:*:*:*
typo3 typo3 4.0.3 cpe:2.3:a:typo3:typo3:4.0.3:*:*:*:*:*:*:*
typo3 typo3 4.0.4 cpe:2.3:a:typo3:typo3:4.0.4:*:*:*:*:*:*:*
typo3 typo3 4.0.5 cpe:2.3:a:typo3:typo3:4.0.5:*:*:*:*:*:*:*
typo3 typo3 4.0.6 cpe:2.3:a:typo3:typo3:4.0.6:*:*:*:*:*:*:*
typo3 typo3 4.0.7 cpe:2.3:a:typo3:typo3:4.0.7:*:*:*:*:*:*:*
typo3 typo3 4.0.8 cpe:2.3:a:typo3:typo3:4.0.8:*:*:*:*:*:*:*
typo3 typo3 4.0.9 cpe:2.3:a:typo3:typo3:4.0.9:*:*:*:*:*:*:*
typo3 typo3 4.0.10 cpe:2.3:a:typo3:typo3:4.0.10:*:*:*:*:*:*:*
typo3 typo3 4.0.11 cpe:2.3:a:typo3:typo3:4.0.11:*:*:*:*:*:*:*
typo3 typo3 4.1.0 cpe:2.3:a:typo3:typo3:4.1.0:*:*:*:*:*:*:*
typo3 typo3 4.1.0 cpe:2.3:a:typo3:typo3:4.1.0:beta1:*:*:*:*:*:*
typo3 typo3 4.1.0 cpe:2.3:a:typo3:typo3:4.1.0:rc1:*:*:*:*:*:*
typo3 typo3 4.1.1 cpe:2.3:a:typo3:typo3:4.1.1:*:*:*:*:*:*:*
typo3 typo3 4.1.2 cpe:2.3:a:typo3:typo3:4.1.2:*:*:*:*:*:*:*
typo3 typo3 4.1.3 cpe:2.3:a:typo3:typo3:4.1.3:*:*:*:*:*:*:*
typo3 typo3 4.1.4 cpe:2.3:a:typo3:typo3:4.1.4:*:*:*:*:*:*:*
typo3 typo3 4.1.5 cpe:2.3:a:typo3:typo3:4.1.5:*:*:*:*:*:*:*
typo3 typo3 4.1.6 cpe:2.3:a:typo3:typo3:4.1.6:*:*:*:*:*:*:*
typo3 typo3 4.1.7 cpe:2.3:a:typo3:typo3:4.1.7:*:*:*:*:*:*:*
typo3 typo3 4.1.8 cpe:2.3:a:typo3:typo3:4.1.8:*:*:*:*:*:*:*
typo3 typo3 4.1.9 cpe:2.3:a:typo3:typo3:4.1.9:*:*:*:*:*:*:*
typo3 typo3 4.1.10 cpe:2.3:a:typo3:typo3:4.1.10:*:*:*:*:*:*:*
typo3 typo3 4.1.11 cpe:2.3:a:typo3:typo3:4.1.11:*:*:*:*:*:*:*
typo3 typo3 4.1.12 cpe:2.3:a:typo3:typo3:4.1.12:*:*:*:*:*:*:*
typo3 typo3 4.2.0 cpe:2.3:a:typo3:typo3:4.2.0:*:*:*:*:*:*:*
typo3 typo3 4.2.1 cpe:2.3:a:typo3:typo3:4.2.1:*:*:*:*:*:*:*
typo3 typo3 4.2.2 cpe:2.3:a:typo3:typo3:4.2.2:*:*:*:*:*:*:*
typo3 typo3 4.2.3 cpe:2.3:a:typo3:typo3:4.2.3:*:*:*:*:*:*:*
typo3 typo3 4.2.4 cpe:2.3:a:typo3:typo3:4.2.4:*:*:*:*:*:*:*
typo3 typo3 4.2.5 cpe:2.3:a:typo3:typo3:4.2.5:*:*:*:*:*:*:*
typo3 typo3 4.2.6 cpe:2.3:a:typo3:typo3:4.2.6:*:*:*:*:*:*:*
typo3 typo3 4.2.7 cpe:2.3:a:typo3:typo3:4.2.7:*:*:*:*:*:*:*
typo3 typo3 4.2.8 cpe:2.3:a:typo3:typo3:4.2.8:*:*:*:*:*:*:*
typo3 typo3 4.2.9 cpe:2.3:a:typo3:typo3:4.2.9:*:*:*:*:*:*:*
typo3 typo3 4.3 cpe:2.3:a:typo3:typo3:4.3:*:*:*:*:*:*:*
typo3 typo3 4.3 cpe:2.3:a:typo3:typo3:4.3:alpha1:*:*:*:*:*:*

References for CVE-2009-3633

cvelogic Threat Intelligence