CVE-2023-0063: Synved Shortcodes <= 1.6.36 - Contributor+ Stored XSS

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-03-06 · updated 2026-06-17
Weakness: CWE-79

Description

The WordPress Shortcodes WordPress plugin through 1.6.36 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

WordPress Shortcodes: through 1.6.36

References

https://wpscan.com/vulnerability/2262f2fc-8122-46ed-8e67-8c34ee35fc97
https://wpscan.com/vulnerability/2262f2fc-8122-46ed-8e67-8c34ee35fc97

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