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CVE-2009-4963

15
FAUCET Score

CVE-2009-4963 describes a cross-site scripting (XSS) vulnerability in the Commerce extension for TYPO3, affecting versions prior to 0.9.9. This medium-complexity vulnerability allows remote authenticated users to inject arbitrary web script or HTML, potentially leading to information disclosure or session hijacking, with a CVSS score of 3.5. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.9.8CPE matchmatch criteria
cpe:2.3:a:typo3:commerce_extension:*:*:*:*:*:*:*:*
0.8.32CPE matchmatch criteria
cpe:2.3:a:typo3:commerce_extension:0.8.32:*:*:*:*:*:*:*
0.8.35CPE matchmatch criteria
cpe:2.3:a:typo3:commerce_extension:0.8.35:*:*:*:*:*:*:*
0.9.0CPE matchmatch criteria
cpe:2.3:a:typo3:commerce_extension:0.9.0:*:*:*:*:*:*:*
0.9.5CPE matchmatch criteria
cpe:2.3:a:typo3:commerce_extension:0.9.5:*:*:*:*:*:*:*

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
0.83%
Probability of exploitation in next 30 days
EPSS Percentile
53.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0083 is in the 25th percentile among its peer group of 1,638 CVEs.

Social Chatter

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 (1)

composerpatch availablevia ghsa
Product: commerceteam/commerceFixed in: 0.9.9

Vendor Advisories (1)

composerGHSA-rmc9-5546-5rrflow

Commerce extension for TYPO3 vulnerable to Cross-site Scripting

May 2, 2022

References

typo3.org / teams/security/security-bulletins/typo3-sa-2009-011
PatchVendor Advisory
securityfocus.com / bid/36133
vupen.com / english/advisories/2009/2409
PatchVendor Advisory