XSS in Getperfectsurvey Perfect Survey

CVE-2021-24764

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

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-24764: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24764?
CVE-2021-24764 is a medium-severity vulnerability in Getperfectsurvey Perfect Survey, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-02-01.
How severe is CVE-2021-24764?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-24764 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.