CVE-2022-4671: PixCodes < 2.3.7 - Contributor+ Stored XSS in Shortcode

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: 2023-01-30 · updated 2026-06-17

Description

The PixCodes WordPress plugin before 2.3.7 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

Affected products

PixCodes: before 2.3.7 — fixed in 2.3.7

How to fix

Upgrade to a fixed version: PixCodes 2.3.7. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/14c83830-3207-4f92-b8f5-afd7cc93af88
https://wpscan.com/vulnerability/14c83830-3207-4f92-b8f5-afd7cc93af88

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