What is CVE-2023-23899?

CVE-2023-23899 is a medium-severity vulnerability in Hasthemes Extensions For Cf7, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2023-02-17.

How severe is CVE-2023-23899?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2023-23899 known to be exploited?

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

CSRF in Hasthemes Extensions For Cf7

CVE-2023-23899

Cross-Site Request Forgery (CSRF) vulnerability in HasThemes Extensions For CF7 plugin <= 2.0.8 versions leads to arbitrary plugin activation.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2023-02-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (12.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

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

Public proof-of-concept exploits

20142995/nuclei-templates

References

patchstack.com/database/vulnerability/extensions-for-cf7/wordpress-extensions-f… (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2023-23899?: CVE-2023-23899 is a medium-severity vulnerability in Hasthemes Extensions For Cf7, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2023-02-17.
How severe is CVE-2023-23899?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2023-23899 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.