CVE-2018-6806

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-02-07 · updated 2026-06-17
Weakness: CWE-200

Description

Marked 2 through 2.5.11 allows remote attackers to read arbitrary files via a crafted HTML document that triggers a redirect to an x-marked://preview?text= URL. The value of the text parameter can include arbitrary JavaScript code, e.g., making XMLHttpRequest calls.

Affected products

Marked 2 Project Marked 2: through 2.5.11

References

http://support.markedapp.com/discussions/questions/9089-reporting-a-vulnerability
http://www.lynxsecurity.io/releases/Local%20File%20Disclosure%20in%20Marked2.pdf
http://support.markedapp.com/discussions/questions/9089-reporting-a-vulnerability
http://www.lynxsecurity.io/releases/Local%20File%20Disclosure%20in%20Marked2.pdf

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