What’s Vulnerable › Vulnerabilities

CVE-2017-7881

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-04-15 · updated 2026-06-17
• Weakness: CWE-352

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.

Affected products

• Bigtreecms Bigtree Cms: through 4.2.17

References

• https://github.com/bigtreecms/BigTree-CMS/commit/7761481ac40d83ac29fef42bc6b3c07c86694b56
• https://www.cdxy.me/?p=765
• https://github.com/bigtreecms/BigTree-CMS/commit/7761481ac40d83ac29fef42bc6b3c07c86694b56
• https://www.cdxy.me/?p=765

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