How severe is CVE-2021-24287?

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

Is CVE-2021-24287 known to be exploited?

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

XSS in Moove Agency Select All Categories And Taxonomies, Change Checkbox To Radio Buttons

CVE-2021-24287

The settings page of the Select All Categories and Taxonomies, Change Checkbox to Radio Buttons WordPress plugin before 1.3.2 did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-05-14 · 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: 0.104 (95.6th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.104 · newest: 0.104 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

wpscan.com/vulnerability/56e1bb56-bfc5-40dd-b2d0-edef43d89bdf (Exploit, Third Party Advisory)
packetstormsecurity.com/files/164327/WordPress-Select-All-Categories-And-Taxono… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-24287?: CVE-2021-24287 is a medium-severity vulnerability in Moove Agency Select All Categories And Taxonomies, Change Checkbox To Radio Buttons, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-05-14.
How severe is CVE-2021-24287?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-24287 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.