What’s Vulnerable › Vulnerabilities

CVE-2023-0526: Post Shortcode <= 2.0.9 - Contributor+ Stored Cross-Site Scripting

• 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: 2023-05-08 · updated 2026-06-17

Description

The Post Shortcode WordPress plugin through 2.0.9 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

• Post Shortcode: through 2.0.9

References

• https://wpscan.com/vulnerability/0ec58310-243d-40c8-9fa6-8753947bfa89
• https://wpscan.com/vulnerability/0ec58310-243d-40c8-9fa6-8753947bfa89

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