What’s Vulnerable › Vulnerabilities

CVE-2021-24541: Wonder PDF Embed < 1.7 - Contributor+ Stored XSS

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-16 · updated 2026-06-17
• Weakness: CWE-79

Description

The Wonder PDF Embed WordPress plugin before 1.7 does not escape parameters of its wonderplugin_pdf shortcode, which could allow users with a role as low as Contributor to perform Stored XSS attacks.

Affected products

• Wonder PDF Embed: before 1.7 — fixed in 1.7

How to fix

Upgrade to a fixed version: Wonder PDF Embed 1.7. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/e6602369-87f4-4454-8298-89cc69f8375c
• https://wpscan.com/vulnerability/e6602369-87f4-4454-8298-89cc69f8375c

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