CVE-2021-24127: ThirstyAffiliates < 3.9.3 - Authenticated Stored XSS

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-03-18 · updated 2026-06-17
Weakness: CWE-79

Description

Unvalidated input and lack of output encoding in the ThirstyAffiliates Affiliate Link Manager WordPress plugin, versions before 3.9.3, was vulnerable to authenticated Stored Cross-Site Scripting (XSS), which could lead to privilege escalation.

Affected products

ThirstyAffiliates: before 3.9.3 — fixed in 3.9.3

How to fix

Upgrade to a fixed version: ThirstyAffiliates 3.9.3. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/1fbd9f7a-6f99-45a2-9d57-01631a1f35d6
https://wpscan.com/vulnerability/1fbd9f7a-6f99-45a2-9d57-01631a1f35d6

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