CVE-2022-0449: Flexi - Guest Submit < 4.20 - Reflected Cross-Site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-03-14 · updated 2026-06-17
Weakness: CWE-79

Description

The Flexi WordPress plugin before 4.20 does not sanitise and escape various parameters before outputting them back in some pages such as the user dashboard, leading to a Reflected Cross-Site Scripting

Affected products

Flexi – Guest Submit: before 4.20 — fixed in 4.20

How to fix

Upgrade to a fixed version: Flexi – Guest Submit 4.20. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/3cc1bb3c-e124-43d3-bc84-a493561a1387
https://wpscan.com/vulnerability/3cc1bb3c-e124-43d3-bc84-a493561a1387

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