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CVE-2020-27176

CRITICALCVSS 9.6/10EPSS 1.80%

Last modified

CVE-2020-27176 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Mutation XSS exists in Mark Text through 0.16.2 that leads to Remote Code Execution. NOTE: this might be considered a duplicate of CVE-2020-26870; however, it can also be considered an issue in the design of the "source code mode" feature, which parses HTML even though HTML support is not one of the primary advertised roles of the product.. EPSS estimates a 1.80% chance of exploitation in the next 30 days.

Description

Mutation XSS exists in Mark Text through 0.16.2 that leads to Remote Code Execution. NOTE: this might be considered a duplicate of CVE-2020-26870; however, it can also be considered an issue in the design of the "source code mode" feature, which parses HTML even though HTML support is not one of the primary advertised roles of the product.

Metrics

CVSS 3.1
9.6/10

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

EPSS Probability
1.80%

75.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MarktextMarktext<= 0.16.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-27176?
Mutation XSS exists in Mark Text through 0.16.2 that leads to Remote Code Execution. NOTE: this might be considered a duplicate of CVE-2020-26870; however, it can also be considered an issue in the design of the "source code mode" feature, which parses HTML even though HTML support is not one of the primary advertised roles of the product.
How severe is CVE-2020-27176?
CVE-2020-27176 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 1.80% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27176?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-27176?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST