What’s Vulnerable › Vulnerabilities

CVE-2023-0490: f(x) TOC <= 1.1.0 - 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: 2023-05-15 · updated 2026-06-17

Description

The f(x) TOC WordPress plugin through 1.1.0 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

• f(x) TOC: through 1.1.0

References

• https://wpscan.com/vulnerability/9b497d21-f075-41a9-afec-3e24034c8c63
• https://wpscan.com/vulnerability/9b497d21-f075-41a9-afec-3e24034c8c63

Get alerted when CVE-2023-0490 or the next vulnerability affects your stack