CVE-2021-24764: Perfect Survey < 1.5.2 - 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: 2022-02-01 · updated 2026-06-17
Weakness: CWE-79

Description

The Perfect Survey WordPress plugin before 1.5.2 does not sanitise and escape multiple parameters (id and filters[session_id] of single_statistics page, type and message of importexport page) before outputting them back in pages/attributes in the admin dashboard, leading to Reflected Cross-Site Scripting issues

Affected products

Perfect Survey: before 1.5.2 — fixed in 1.5.2

How to fix

Upgrade to a fixed version: Perfect Survey 1.5.2. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/c2f8e9b9-c044-4c45-8d17-e628e9cb5d59
https://wpscan.com/vulnerability/c2f8e9b9-c044-4c45-8d17-e628e9cb5d59

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