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Vulnerability details: VCID-je93-db45-akd3
Vulnerability ID VCID-je93-db45-akd3
Aliases CVE-2021-30109
GHSA-cq6w-w5rj-p9x8
Summary Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 6.1 http://froala.com
generic_textual MODERATE http://froala.com
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-30109
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-30109
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-30109
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-30109
epss 0.0031 https://api.first.org/data/v1/epss?cve=CVE-2021-30109
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-cq6w-w5rj-p9x8
cvssv3.1 6.1 https://github.com/froala/wysiwyg-editor-release
generic_textual MODERATE https://github.com/froala/wysiwyg-editor-release
cvssv3.1 6.1 https://github.com/Hackdwerg/CVE-2021-30109/blob/main/README.md
generic_textual MODERATE https://github.com/Hackdwerg/CVE-2021-30109/blob/main/README.md
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2021-30109
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-30109
Reference id Reference type URL
http://froala.com
https://api.first.org/data/v1/epss?cve=CVE-2021-30109
https://github.com/froala/wysiwyg-editor-release
https://github.com/Hackdwerg/CVE-2021-30109/blob/main/README.md
CVE-2021-30109 https://nvd.nist.gov/vuln/detail/CVE-2021-30109
GHSA-cq6w-w5rj-p9x8 https://github.com/advisories/GHSA-cq6w-w5rj-p9x8
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at http://froala.com
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/froala/wysiwyg-editor-release
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/Hackdwerg/CVE-2021-30109/blob/main/README.md
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30109
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.54467
EPSS Score 0.0031
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:40:08.011629+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/froala-editor/CVE-2021-30109.yml 38.6.0