CVE-2023-50879

Name: CVE-2023-50879
Creator: NVD / NIST
Published: 2023-12-29T12:15:44.503+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2023-50879 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Automattic WordPress.Com Editing Toolkit allows Stored XSS.This issue affects WordPress.Com Editing Toolkit: from n/a through 3.78784.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Automattic WordPress.Com Editing Toolkit allows Stored XSS.This issue affects WordPress.Com Editing Toolkit: from n/a through 3.78784.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.32%

23.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Automattic	Wordpress.Com Editing Toolkit	<= 3.78784

References

Timeline

Published: Dec 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-50879?

How severe is CVE-2023-50879?

CVE-2023-50879 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2023-50879?

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-2023-50879?

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

Scan your code now

Source: NVD / NIST