Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2009-0816

14
FAUCET Score

CVE-2009-0816 describes multiple cross-site scripting (XSS) vulnerabilities in the backend user interface of TYPO3 versions 3.3.x through 3.8.x, and specific versions of 4.0, 4.1, 4.2, and 4.3alpha1. This vulnerability allows remote attackers to inject arbitrary web script or HTML through unspecified fields, with a CVSS score of 4.3, indicating medium attack complexity and potential impact limited to integrity. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting low current threat exposure.

Impacted Technologies

VendorProductVersion(s)CPE
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:*:*:*:*:*:*:*
4.0.4CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:4.0.4:*:*:*:*:*:*:*

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
1.06%
Probability of exploitation in next 30 days
EPSS Percentile
61.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0106 is in the 21st 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/cmsFixed in: 4.0.12
composerpatch availablevia ghsa
Product: typo3/cmsFixed in: 4.1.10
composerpatch availablevia ghsa
Product: typo3/cmsFixed in: 4.2.6

Vendor Advisories (1)

composerGHSA-jg55-3q6h-2ccfmedium

Typo3 Backend XSS Vulnerability

May 2, 2022

References

typo3.org / teams/security/security-bulletins/typo3-sa-2009-002
PatchVendor Advisory
debian.org / security/2009/dsa-1720
openwall.com / lists/oss-security/2009/02/10/6
securitytracker.com / id