CVE-2021-24470: Yada Wiki < 3.4.1 - 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: none known
Published: 2021-08-02 · updated 2026-06-17
Weakness: CWE-79

Description

The Yada Wiki WordPress plugin before 3.4.1 did not sanitise, validate or escape the anchor attribute of its shortcode, leading to a Stored Cross-Site Scripting issue

Affected products

Yada Wiki: before 3.4.1 — fixed in 3.4.1

How to fix

Upgrade to a fixed version: Yada Wiki 3.4.1. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/b01a85cc-0e45-4183-a916-19476354d5d4
https://wpscan.com/vulnerability/b01a85cc-0e45-4183-a916-19476354d5d4

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