What is CVE-2021-24820?

CVE-2021-24820 is a medium-severity vulnerability in Bold-Themes Cost Calculator, classified under Path Traversal. CVSS score: 6.5/10. Published 2022-02-28.

How severe is CVE-2021-24820?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2021-24820 known to be exploited?

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

Path Traversal in Bold-Themes Cost Calculator

CVE-2021-24820

The Cost Calculator WordPress plugin through 1.6 allows authenticated users (Contributor+ in versions < 1.5, and Admin+ in versions <= 1.6) to perform path traversal and local PHP file inclusion on Windows Web Servers via the Cost Calculator post's Layout

Vulnerability class: Path Traversal (Directory Traversal)

Published 2022-02-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.030 (87.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000

Affected products

Bold-Themes Cost Calculator
Cost Calculator — versions 1.6

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/47652b24-a6f0-4bbc-834e-496b88523fe7 (Third Party Advisory)

Frequently asked questions

What is CVE-2021-24820?: CVE-2021-24820 is a medium-severity vulnerability in Bold-Themes Cost Calculator, classified under Path Traversal. CVSS score: 6.5/10. Published 2022-02-28.
How severe is CVE-2021-24820?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-24820 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.