CVE-2021-20846

Name: CVE-2021-20846
Creator: NVD / NIST
Published: 2021-11-24T16:15:13.383+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2021-20846 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Cross-site request forgery (CSRF) vulnerability in Push Notifications for WordPress (Lite) versions prior to 6.0.1 allows a remote attacker to hijack the authentication of an administrator and conduct an arbitrary operation via a specially crafted web page.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

Cross-site request forgery (CSRF) vulnerability in Push Notifications for WordPress (Lite) versions prior to 6.0.1 allows a remote attacker to hijack the authentication of an administrator and conduct an arbitrary operation via a specially crafted web page.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.65%

46.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Delitestudio	Push Notifications For Wordpress	< 6.0.1

References

https://delitestudio.com/en/Vendor Advisory
https://jvn.jp/en/jp/JVN85492429/index.htmlThird Party Advisory
https://wordpress.org/plugins/push-notifications-for-wp/Product, Third Party Advisory
https://delitestudio.com/en/Vendor Advisory
https://jvn.jp/en/jp/JVN85492429/index.htmlThird Party Advisory
https://wordpress.org/plugins/push-notifications-for-wp/Product, Third Party Advisory

Timeline

Published: Nov 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20846?

How severe is CVE-2021-20846?

CVE-2021-20846 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20846?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-20846?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST