What is CVE-2021-24986?

CVE-2021-24986 is a medium-severity vulnerability in Pickplugins Post Grid, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-11.

How severe is CVE-2021-24986?

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

Is CVE-2021-24986 known to be exploited?

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

XSS in Pickplugins Post Grid

CVE-2021-24986

The Post Grid WordPress plugin before 2.1.16 does not escape the keyword parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting in pages containing a Post Grid with a search form

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-04-11 · 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: 0.008 (54.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Pickplugins Post Grid
Post Grid — versions 2.1.16

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/51e57f25-b8b2-44ca-9162-d7328eac64eb (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-24986?: CVE-2021-24986 is a medium-severity vulnerability in Pickplugins Post Grid, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-11.
How severe is CVE-2021-24986?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-24986 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.