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CVE-2021-30109

23
FAUCET Score

CVE-2021-30109 describes a persistent Cross-Site Scripting (XSS) vulnerability in Froala Editor versions up to 3.2.6. This flaw allows an attacker to inject malicious scripts by crafting a base64 string within the hyperlink creation module. Rated as Medium severity with a CVSS score of 6.1, it requires user interaction (UI:R) and could lead to low impact on confidentiality and integrity. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
3.2.6CPE matchmatch criteria
cpe:2.3:a:froala:froala_editor:3.2.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 73rd percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

npmGHSA-cq6w-w5rj-p9x8medium

Cross-site Scripting in Froala Editor

Oct 6, 2021

References

github.com / Hackdwerg/CVE-2021-30109/blob/main/README.md
Third Party Advisory