What is CVE-2021-24317?

CVE-2021-24317 is a medium-severity vulnerability in Purethemes Listeo, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-01.

How severe is CVE-2021-24317?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-24317 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Purethemes Listeo

CVE-2021-24317

The Listeo WordPress theme before 1.6.11 did not properly sanitise some parameters in its Search, Booking Confirmation and Personal Message pages, leading to Cross-Site Scripting issues

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-06-01 · last modified 2026-06-17.

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: 0.009 (59.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Purethemes Listeo — versions 1.6.11

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/704d8886-df9e-4217-88d1-a72a71924174 (Exploit, Third Party Advisory)
m0ze.ru/vulnerability/[2021-02-10]-[WordPress]-[CWE-79]-Listeo-WordPress-Theme-… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-24317?: CVE-2021-24317 is a medium-severity vulnerability in Purethemes Listeo, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-01.
How severe is CVE-2021-24317?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-24317 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.