CVE-2020-23263

Name: CVE-2020-23263
Creator: NVD / NIST
Published: 2021-05-06T22:15:07.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.84%

Last modified Jun 17, 2026

CVE-2020-23263 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Persistent Cross-site scripting vulnerability on Fork CMS version 5.8.2 allows remote attackers to inject arbitrary Javascript code via the "navigation_title" parameter and the "title" parameter in /private/en/pages/add.. EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

Persistent Cross-site scripting vulnerability on Fork CMS version 5.8.2 allows remote attackers to inject arbitrary Javascript code via the "navigation_title" parameter and the "title" parameter in /private/en/pages/add.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.84%

53.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Fork-Cms	Fork Cms	5.8.2

References

https://github.com/forkcms/forkcms/pull/3093Issue Tracking, Patch, Third Party Advisory
https://github.com/forkcms/forkcms/pull/3093Issue Tracking, Patch, Third Party Advisory

Timeline

Published: May 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-23263?

How severe is CVE-2020-23263?

CVE-2020-23263 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.

How do I fix CVE-2020-23263?

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-2020-23263?

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

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Source: NVD / NIST