CVE-2018-1000521

Name: CVE-2018-1000521
Creator: NVD / NIST
Published: 2018-06-26T16:29:01.4+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.86%

Last modified Jun 17, 2026

CVE-2018-1000521 is a vulnerability of currently unknown severity. BigTree-CMS contains a Cross Site Scripting (XSS) vulnerability in /users/create that can result in The low-privileged users can use this vulnerability to attack high-privileged(Developer) users.. This attack appear to be exploitable via no. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

BigTree-CMS contains a Cross Site Scripting (XSS) vulnerability in /users/create that can result in The low-privileged users can use this vulnerability to attack high-privileged(Developer) users.. This attack appear to be exploitable via no. This vulnerability appears to have been fixed in after commit b652cfdc14d0670c81ac4401ad5a04376745c279.

Metrics

EPSS Probability

0.86%

54.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Bigtreecms	Bigtree Cms	4.2.21

References

https://github.com/bigtreecms/BigTree-CMS/issues/328Exploit, Third Party Advisory
https://github.com/bigtreecms/BigTree-CMS/issues/328Exploit, Third Party Advisory

Timeline

Published: Jun 26, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000521?

How severe is CVE-2018-1000521?

Severity scoring for CVE-2018-1000521 is pending analysis. The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000521?

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-2018-1000521?

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

Scan your code now

Source: NVD / NIST