CVE-2022-4655: Welcart e-Commerce < 2.8.9 - Contributor+ Stored XSS via 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: 2023-01-16 · updated 2026-06-17

Description

The Welcart e-Commerce WordPress plugin before 2.8.9 does not validate and escapes one of its shortcode attributes, which could allow users with a role as low as a contributor to perform a Stored Cross-Site Scripting attack.

Affected products

Welcart e-Commerce: before 2.8.9 — fixed in 2.8.9

How to fix

Upgrade to a fixed version: Welcart e-Commerce 2.8.9. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/a1c70c80-e952-4cc7-aca0-c2dde3fa08a9
https://wpscan.com/vulnerability/a1c70c80-e952-4cc7-aca0-c2dde3fa08a9

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