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CVE-2016-4056

20
FAUCET Score

CVE-2016-4056 is a cross-site scripting (XSS) vulnerability affecting the Backend component of TYPO3 versions 6.2.x prior to 6.2.19. Attackers can inject arbitrary web script or HTML by manipulating the module parameter when creating a bookmark. This vulnerability has a CVSS score of 6.1 (Medium), indicating a low attack complexity and requiring user interaction, with potential impacts on confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.2CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:6.2:*:*:*:*:*:*:*
6.2.0CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:6.2.0:alpha1:*:*:*:*:*:*
6.2.0CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:6.2.0:alpha2:*:*:*:*:*:*
6.2.0CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:6.2.0:alpha3:*:*:*:*:*:*
6.2.0CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:6.2.0:beta1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.08%
Probability of exploitation in next 30 days
EPSS Percentile
61.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0108 is in the 74th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: typo3/cmsFixed in: 6.2.19

Vendor Advisories (1)

composerGHSA-ffcm-vhcw-p32rmedium

TYPO3 Backend component Cross-site scripting (XSS) vulnerability

May 17, 2022

References

labs.integrity.pt / advisories/cve-pending-stored-cross-site-scripting-in-typo3-bookmarks
ExploitTechnical DescriptionThird Party Advisory
typo3.org / teams/security/security-bulletins/typo3-core/typo3-core-sa-2016-006
PatchVendor Advisory
openwall.com / lists/oss-security/2016/04/21/1
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