What is CVE-2021-20652?

CVE-2021-20652 is a high-severity vulnerability in J. Peters Name Directory, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-02-05.

How severe is CVE-2021-20652?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-20652 known to be exploited?

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

CSRF in J. Peters Name Directory

CVE-2021-20652

Cross-site request forgery (CSRF) vulnerability in Name Directory 1.17.4 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2021-02-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.3% 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

J. Peters Name Directory — versions 1.17.4 and earlier
Name Directory Project

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

20142995/nuclei-templates

References

wordpress.org/plugins/name-directory/ (Product)
jvn.jp/en/jp/JVN50470170/index.html (Third Party Advisory)

Frequently asked questions

What is CVE-2021-20652?: CVE-2021-20652 is a high-severity vulnerability in J. Peters Name Directory, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-02-05.
How severe is CVE-2021-20652?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-20652 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.