CVE-2016-4056

Public Exploit

Description

Cross-site scripting (XSS) vulnerability in the Backend component in TYPO3 6.2.x before 6.2.19 allows remote attackers to inject arbitrary web script or HTML via the module parameter when creating a bookmark.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.31%
Vendor Advisory typo3.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2016/04/21/1 mailing list
https://labs.integrity.pt/advisories/cve-pending-stored-cross-site-scripting-in-typo3-bookmarks/ exploit third party advisory technical description
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2016-006/ patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-4056?
CVE-2016-4056 has been scored as a medium severity vulnerability.
How to fix CVE-2016-4056?
To fix CVE-2016-4056, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-4056 being actively exploited in the wild?
It is possible that CVE-2016-4056 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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