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CVE-2009-3629

13
FAUCET Score

CVE-2009-3629 describes multiple cross-site scripting (XSS) vulnerabilities within the Backend subcomponent of TYPO3 versions 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 authenticated users to inject arbitrary web script or HTML, with a CVSS score of 3.5 indicating a medium attack complexity and partial integrity impact. There is currently no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.0.13CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:4.0:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:4.0.1:*:*:*:*:*:*:*
4.0.2CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:4.0.2:*:*:*:*:*:*:*
4.0.3CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:4.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.5LOW

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0154 is in the 78th percentile among its peer group of 1,638 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 0.1 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-backendFixed in: 4.1.13
composerpatch availablevia ghsa
Product: typo3/cms-backendFixed in: 4.2.10
composerpatch availablevia ghsa
Product: typo3/cms-backendFixed in: 4.3beta2

Vendor Advisories (1)

composerGHSA-g857-p997-wx7wlow

TYPO3 Backend vulnerable to Cross-site Scripting

May 2, 2022

References

marc.info
marc.info
secunia.com / advisories/37122
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/53918
typo3.org / teams/security/security-bulletins/typo3-sa-2009-016
Vendor Advisory
securityfocus.com / bid/36801
vupen.com / english/advisories/2009/3009
Vendor Advisory