CVE-2019-15499

Name: CVE-2019-15499
Creator: NVD / NIST
Published: 2019-08-23T04:15:11.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2019-15499 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. CodiMD 1.3.1, when Safari is used, allows XSS via an IFRAME element with allow-top-navigation in the sandbox attribute, in conjunction with a data: URL.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

CodiMD 1.3.1, when Safari is used, allows XSS via an IFRAME element with allow-top-navigation in the sandbox attribute, in conjunction with a data: URL.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.86%

53.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Hackmd	Codimd	1.3.1

References

https://github.com/hackmdio/codimd/issues/1263Exploit, Third Party Advisory
https://github.com/hackmdio/codimd/issues/1263Exploit, Third Party Advisory

Timeline

Published: Aug 23, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-15499?

CodiMD 1.3.1, when Safari is used, allows XSS via an IFRAME element with allow-top-navigation in the sandbox attribute, in conjunction with a data: URL.

How severe is CVE-2019-15499?

CVE-2019-15499 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2019-15499?

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-2019-15499?

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

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Source: NVD / NIST