CVE-2018-18753 Server-side request forgery in n/a

Critical 9.8 Published 28 Oct 2018 Updated 17 Sep 2024

Remote attackers can execute shell commands and perform SSRF attacks via base64-encoded serialized data in Typecho.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-18753?

CVE-2018-18753 is a critical server-side request forgery vulnerability in n/a, published on 28 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Typecho V1.1 allows remote attackers to send shell commands via base64-encoded serialized data, as demonstrated by SSRF.

Weakness: CWE-918

Which versions are affected by CVE-2018-18753?

It affects 1 product.

Products include Typecho Typecho.

How do I fix CVE-2018-18753?

No fix has been published for CVE-2018-18753 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2018-18753 being exploited?

There is no known exploitation of CVE-2018-18753 in the wild and no public exploit code.

Sources

Also known as GHSA-cw4f-c442-gqwh.