CVE-2015-8351
PHP remote file inclusion vulnerability in the Gwolle Guestbook plugin before 1.5.4 for WordPress...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2015-8351- CVSS 3.0
- 9.0 Critical
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2015-8351- Updated
- 2026-11-02
EUVDEUVD-2015-8235 No score
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.
- Record
EUVD-2015-8235- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-59v2-j7v3-6gmx
PHP remote file inclusion vulnerability in the Gwolle Guestbook plugin before 1.5.4 for WordPress...
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.
- Record
GHSA-59v2-j7v3-6gmx- CVSS 3.0
- 9.0 Critical
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | WordPress Plugin Gwolle Guestbook 1.5.3 - Remote File Inclusion | 2015-12-03 |
| PoC in GitHub | G01d3nW01f/CVE-2015-8351 | 2021-08-06 |
| PoC in GitHub | G4sp4rCS/exploit-CVE-2015-8351 | 2023-05-08 |
| PoC in GitHub | Philip-Otter/CVE-2015-8351_Otter_Remix | 2025-08-21 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-8351 is a critical vulnerability (CVSS 9.0) in Gwolle Guestbook Project Guestbook, published September 11, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 37.0%, the 98th percentile. No source names a fixed version.
References
wordpress.org/plugins/gwolle-gb/changelog
htbridge.com/advisory/HTB23275
exploit-db.com/exploits/38861
securityfocus.com/archive/1/537020/100/0/threaded
packetstormsecurity.com/files/134599/WordPress-Gwolle-Guestbook-1.5.3-Remote-File-Inclusion.html
nvd.nist.gov/vuln/detail/CVE-2015-8351
github.com/advisories/GHSA-59v2-j7v3-6gmx