What is CVE-2021-24283?

CVE-2021-24283 is a medium-severity vulnerability in Pickplugins Accordion, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-05-14.

How severe is CVE-2021-24283?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2021-24283 known to be exploited?

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

XSS in Pickplugins Accordion

CVE-2021-24283

The tab GET parameter of the settings page is not sanitised or escaped when being output back in an HTML attribute, leading to a reflected XSS issue.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-05-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Pickplugins Accordion — versions 2.2.30

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/6ccd9990-e15f-4800-b499-f7c74b480051 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-24283?: CVE-2021-24283 is a medium-severity vulnerability in Pickplugins Accordion, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-05-14.
How severe is CVE-2021-24283?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-24283 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.