CVE-2016-9838

Public Exploit

Description

An issue was discovered in components/com_users/models/registration.php in Joomla! before 3.6.5. Incorrect filtering of registration form data stored to the session on a validation error enables a user to gain access to a registered user's account and reset the user's group mappings, username, and password, as demonstrated by submitting a form that targets the `registration.register` task.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.87% Top 15%
Vendor Advisory joomla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.joomla.org/announcements/release-news/5693-joomla-3-6-5-released.html patch vendor advisory
https://www.exploit-db.com/exploits/41157/ exploit
http://www.securityfocus.com/bid/94893 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-9838?
CVE-2016-9838 has been scored as a high severity vulnerability.
How to fix CVE-2016-9838?
To fix CVE-2016-9838, 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-2016-9838 being actively exploited in the wild?
It is possible that CVE-2016-9838 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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