CVE-2021-30109

Name: CVE-2021-30109
Creator: NVD / NIST
Published: 2021-04-05T13:15:11.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.06%

Last modified Jun 17, 2026

CVE-2021-30109 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Froala Editor 3.2.6 is affected by Cross Site Scripting (XSS). Under certain conditions, a base64 crafted string leads to persistent Cross-site scripting (XSS) vulnerability within the hyperlink creation module.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.

Description

Froala Editor 3.2.6 is affected by Cross Site Scripting (XSS). Under certain conditions, a base64 crafted string leads to persistent Cross-site scripting (XSS) vulnerability within the hyperlink creation module.

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

1.06%

60.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Froala	Froala Editor	3.2.6

References

http://froala.comProduct
https://github.com/Hackdwerg/CVE-2021-30109/blob/main/README.mdThird Party Advisory
http://froala.comProduct
https://github.com/Hackdwerg/CVE-2021-30109/blob/main/README.mdThird Party Advisory

Timeline

Published: Apr 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30109?

How severe is CVE-2021-30109?

CVE-2021-30109 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30109?

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-2021-30109?

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

Scan your code now

Source: NVD / NIST