CVE-2017-7881

Name: CVE-2017-7881
Creator: NVD / NIST
Published: 2017-04-15T16:59:00.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.75%

Last modified Jun 17, 2026

CVE-2017-7881 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.75%

50.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Bigtreecms	Bigtree Cms	<= 4.2.17

References

https://github.com/bigtreecms/BigTree-CMS/commit/7761481ac40d83ac29fef42bc6b3c07c86694b56Issue Tracking, Patch, Third Party Advisory
https://www.cdxy.me/?p=765Exploit, Third Party Advisory
https://github.com/bigtreecms/BigTree-CMS/commit/7761481ac40d83ac29fef42bc6b3c07c86694b56Issue Tracking, Patch, Third Party Advisory
https://www.cdxy.me/?p=765Exploit, Third Party Advisory

Timeline

Published: Apr 15, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7881?

How severe is CVE-2017-7881?

Severity scoring for CVE-2017-7881 is pending analysis. The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7881?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7881?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST