CVE-2023-3720: Upload Media By URL < 1.0.8 - Stored XSS via CSRF

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-08-30 · updated 2026-06-17

Description

The Upload Media By URL WordPress plugin before 1.0.8 does not have CSRF check when uploading files, which could allow attackers to make logged in admins upload files (including HTML containing JS code for users with the unfiltered_html capability) on their behalf.

Affected products

Upload Media By URL: before 1.0.8 — fixed in 1.0.8

How to fix

Upgrade to a fixed version: Upload Media By URL 1.0.8. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/16375a7f-0a9f-4961-8510-d047ffbf3954
https://wpscan.com/vulnerability/16375a7f-0a9f-4961-8510-d047ffbf3954

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