CVE-2017-7881

Public Exploit

Description

BigTree CMS through 4.2.17 relies on a substring check for CSRF protection, which allows remote attackers to bypass this check by placing the required admin/developer/ URI within a query string in an HTTP Referer header. This was found in core/admin/modules/developer/_header.php and patched in core/inc/bigtree/admin.php on 2017-04-14.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.04%
Third-Party Advisory github.com Third-Party Advisory cdxy.me
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.cdxy.me/?p=765 third party advisory exploit
https://github.com/bigtreecms/BigTree-CMS/commit/7761481ac40d83ac29fef42bc6b3c07c86694b56 issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-7881?
CVE-2017-7881 has been scored as a high severity vulnerability.
How to fix CVE-2017-7881?
To fix CVE-2017-7881, 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-2017-7881 being actively exploited in the wild?
It is possible that CVE-2017-7881 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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