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

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-01-15 · updated 2026-06-17
Weakness: CWE-918

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.

Affected products

JSM file_get_contents() Shortcode: before 2.7.1 — fixed in 2.7.1

How to fix

Upgrade to a fixed version: JSM file_get_contents() Shortcode 2.7.1. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/0b92becb-8a47-48fd-82e8-f7641cf5c9bc
https://wpscan.com/vulnerability/0b92becb-8a47-48fd-82e8-f7641cf5c9bc

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