CVE-2020-26668

Name: CVE-2020-26668
Creator: NVD / NIST
Published: 2021-06-01T15:15:07.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.40%

Last modified Jun 17, 2026

CVE-2020-26668 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A SQL injection vulnerability was discovered in /core/feeds/custom.php in BigTree CMS 4.4.10 and earlier which allows an authenticated attacker to inject a malicious SQL query to the applications via the 'Create New Feed' function.. EPSS estimates a 1.40% chance of exploitation in the next 30 days.

Description

A SQL injection vulnerability was discovered in /core/feeds/custom.php in BigTree CMS 4.4.10 and earlier which allows an authenticated attacker to inject a malicious SQL query to the applications via the 'Create New Feed' function.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.40%

68.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Bigtreecms	Bigtree Cms	<= 4.4.10

References

https://www.exploit-db.com/exploits/48831Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/48831Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Jun 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26668?

How severe is CVE-2020-26668?

CVE-2020-26668 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.40% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26668?

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-2020-26668?

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

Scan your code now

Source: NVD / NIST