CVE-2021-26835

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-26835
No filtering of cross-site scripting (XSS) payloads in the markdown-editor in Zettlr 1.8.7 allows attackers to perform remote code execution via a crafted file.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://github.com/Zettlr/Zettlr/issues/1716 Exploit Issue Tracking Patch Third Party Advisory
https://github.com/Zettlr/Zettlr/releases/tag/v1.8.9 Release Notes Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:zettlr:zettlr:1.8.7:*:*:*:*:*:*:*
History

21 Jun 2021, 21:57

Type Values Removed Values Added
CPE cpe:2.3:a:zettlr:zettlr:1.8.7:*:*:*:*:*:*:*
CWE CWE-79
References (MISC) https://github.com/Zettlr/Zettlr/releases/tag/v1.8.9 - (MISC) https://github.com/Zettlr/Zettlr/releases/tag/v1.8.9 - Release Notes, Third Party Advisory
References (MISC) https://github.com/Zettlr/Zettlr/issues/1716 - (MISC) https://github.com/Zettlr/Zettlr/issues/1716 - Exploit, Issue Tracking, Patch, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 6.1

18 Jun 2021, 12:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-06-18 12:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-26835

Mitre link : CVE-2021-26835

CVE.ORG link : CVE-2021-26835

JSON object : View

Products Affected

zettlr

  • zettlr
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')