CVE-2023-4799: Magic Embeds < 3.1.2 - Contributor+ Stored XSS via shortcode

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-11-20 · updated 2026-06-17
Weakness: CWE-79

Description

The Magic Embeds WordPress plugin before 3.1.2 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Affected products

Magic Embeds: before 3.1.2 — fixed in 3.1.2

How to fix

Upgrade to a fixed version: Magic Embeds 3.1.2. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/04c71873-5ae7-4f94-8ba9-03e03ff55180
https://wpscan.com/vulnerability/04c71873-5ae7-4f94-8ba9-03e03ff55180

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