What’s Vulnerable › Vulnerabilities

CVE-2015-8351

• Severity: critical (CVSS 9.0 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 37.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-09-11 · updated 2026-06-17
• Weakness: CWE-94

Description

PHP remote file inclusion vulnerability in the Gwolle Guestbook plugin before 1.5.4 for WordPress, when allow_url_include is enabled, allows remote authenticated users to execute arbitrary PHP code via a URL in the abspath parameter to frontend/captcha/ajaxresponse.php. NOTE: this can also be leveraged to include and execute arbitrary local files via directory traversal sequences regardless of whether allow_url_include is enabled.

Affected products

• Gwolle Guestbook Plugin: through 1.5.3

References

• http://packetstormsecurity.com/files/134599/WordPress-Gwolle-Guestbook-1.5.3-Remote-File-Inclusion.html
• http://www.securityfocus.com/archive/1/537020/100/0/threaded
• https://wordpress.org/plugins/gwolle-gb/changelog/
• https://www.exploit-db.com/exploits/38861/
• https://www.htbridge.com/advisory/HTB23275
• http://packetstormsecurity.com/files/134599/WordPress-Gwolle-Guestbook-1.5.3-Remote-File-Inclusion.html
• http://www.securityfocus.com/archive/1/537020/100/0/threaded
• https://wordpress.org/plugins/gwolle-gb/changelog/
• https://www.exploit-db.com/exploits/38861/
• https://www.htbridge.com/advisory/HTB23275

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