Published:2022/03/03  Last Updated:2022/03/03

JVN#89524240
MarkText vulnerable to cross-site scripting

Overview

MarkText contains a cross-site scripting vulnerability.

Products Affected

  • MarkText versions prior to v0.17.0

Description

MarkText is a Markdown editor. MarkText contains a cross-site scripting vulnerability (CWE-79).

Impact

An arbitrary script may be executed on the PC of the user using the product.

Solution

Update the Software
Update the software to the latest version according to the information provided by the developer.

Vendor Status

Vendor Link
MarkText MarkText Release 0.17.0

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score: 5.0
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)
CVSS v2 AV:N/AC:M/Au:N/C:N/I:P/A:N
Base Score: 4.3
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)

Credit

Eiji Mori of Flatt Security Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2022-21158
JVN iPedia JVNDB-2022-000018