SSRF in Print My Blog plugin for WordPress

1) Server-Side Request Forgery (SSRF)

EUVDB-ID: #VU18356

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-11565

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input passed via "site" HTTP GET parameter. A remote attacker can send a specially crafted HTTP request to the affected website and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Print My Blog: 1.5.0 - 1.6.5

CPE2.3

• cpe:2.3:a:mnelson4:print-my-blog:1.5.0:*:*:*:*:wordpress:*:*
• cpe:2.3:a:mnelson4:print-my-blog:1.6.2:*:*:*:*:wordpress:*:*
• cpe:2.3:a:mnelson4:print-my-blog:1.6.4:*:*:*:*:wordpress:*:*

External links

https://dumpco.re/bugs/wp-plugin-print-my-blog-ssrf
https://github.com/mnelson4/printmyblog/commit/8584a2839a541eb29fca64252e388c827af3ec21

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.