What is the CVSS score of CVE-2022-28101?

CVE-2022-28101 has a CVSS 3.1 base score of 9.0 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H. EPSS exploitation probability: 1.0%.

Which versions of Turtl are affected by CVE-2022-28101?

Turtlapp Turtle Note v0.7.2.6 does not filter the tag during markdown parsing, allowing attackers to execute HTML injection.

Is there a public PoC exploit available for CVE-2022-28101?

Yes, a public proof-of-concept exploit is available for CVE-2022-28101. Prioritise patching immediately. EPSS: 1.0%.

Turtl CVE-2022-28101

CRITICAL

Cross-site Scripting (XSS) (CWE-79)

2022-04-28 cve@mitre.org

XSS Turtl

9.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.0 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 28, 2022 - 14:15 nvd

CRITICAL 9.0

DescriptionNVD

Turtlapp Turtle Note v0.7.2.6 does not filter the <meta> tag during markdown parsing, allowing attackers to execute HTML injection.

AnalysisAI

Turtlapp Turtle Note v0.7.2.6 does not filter the <meta> tag during markdown parsing, allowing attackers to execute HTML injection. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Turtlapp Turtle Note v0.7.2.6 does not filter the <meta> tag during markdown parsing, allowing attackers to execute HTML injection. Affected products include: Lyonbros Turtl.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.