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CVE-2009-3636

14
FAUCET Score

CVE-2009-3636 is a Cross-Site Scripting (XSS) vulnerability affecting the Install Tool subcomponent in various versions of TYPO3, including 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. This vulnerability allows remote attackers to inject arbitrary web script or HTML through unspecified parameters. With a CVSS score of 4.3 (Medium), it has a network attack vector and medium attack complexity, potentially leading to information disclosure (partial impact) but no confidentiality or availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.0.12CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
0.1.2CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:0.1.2:*:*:*:*:*:*:*
1.0.14CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:1.0.14:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:1.1:*:*:*:*:*:*:*
1.1.1CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:1.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.96%
Probability of exploitation in next 30 days
EPSS Percentile
78.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0196 is in the 62nd percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: typo3/cms-installFixed in: 4.1.13
composerpatch availablevia ghsa
Product: typo3/cms-installFixed in: 4.2.10
composerpatch availablevia ghsa
Product: typo3/cms-installFixed in: 4.3beta2

Vendor Advisories (1)

composerGHSA-c73w-4rcj-2622medium

Typo3 API Install Tool vulnerable to Cross-site Scripting

May 2, 2022

References

marc.info
marc.info
secunia.com / advisories/37122
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/53929
typo3.org / teams/security/security-bulletins/typo3-sa-2009-016
Vendor Advisory
securityfocus.com / bid/36801
Patch
vupen.com / english/advisories/2009/3009
PatchVendor Advisory