What is CVE-2023-40664?

CVE-2023-40664 is a high-severity vulnerability in Rednao Donations Made Easy – Smart, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2023-09-27.

How severe is CVE-2023-40664?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2023-40664 known to be exploited?

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

XSS in Rednao Donations Made Easy – Smart

CVE-2023-40664

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in RedNao Donations Made Easy – Smart Donations plugin <= 4.0.12 versions.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-09-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (32.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

patchstack.com/database/vulnerability/smart-donations/wordpress-donations-made-… (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2023-40664?: CVE-2023-40664 is a high-severity vulnerability in Rednao Donations Made Easy – Smart, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2023-09-27.
How severe is CVE-2023-40664?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2023-40664 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.