CVE-2023-6991 JSM file_get_contents() Shortcode < 2.7.1 - Contributor+ SSRF

High 8.8 Published Updated

Contributors can exploit a shortcode parameter to perform Server-Side Request Forgery attacks, potentially accessing internal resources.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-6991?

CVE-2023-6991 is a high-severity server-side request forgery vulnerability in Unknown JSM file_get_contents() Shortcode, published on 15 Jan 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The JSM file_get_contents() Shortcode WordPress plugin before 2.7.1 does not validate one of its shortcode's parameters before making a request to it, which could allow users with contributor role and above to perform SSRF attacks.

Weakness: CWE-918

Which versions are affected by CVE-2023-6991?

It affects 1 product.

Products include Surniaulula Jsm File Get Contents\(\) Shortcode.

How do I fix CVE-2023-6991?

No fix has been published for CVE-2023-6991 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-2023-6991 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6991 exists.

Sources

Also known as CVE-2023-5442, GHSA-r69x-4mjc-6rq7.

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