CVE-2021-36702

Name: CVE-2021-36702
Creator: NVD / NIST
Published: 2021-08-03T19:15:09.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.93%

Last modified Jun 17, 2026

CVE-2021-36702 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The "content" field in the "regular post" page of the "add content" menu under "dashboard" in htmly 2.8.1 has a storage cross site scripting (XSS) vulnerability. It allows remote attackers to send authenticated post-http requests to add / content and inject arbitrary web scripts or HTML through special content.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

The "content" field in the "regular post" page of the "add content" menu under "dashboard" in htmly 2.8.1 has a storage cross site scripting (XSS) vulnerability. It allows remote attackers to send authenticated post-http requests to add / content and inject arbitrary web scripts or HTML through special content.

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

0.93%

56.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Htmly	Htmly	2.8.1

References

https://github.com/danpros/htmly/issues/481Exploit, Third Party Advisory
https://github.com/danpros/htmly/issues/481Exploit, Third Party Advisory

Timeline

Published: Aug 3, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36702?

How severe is CVE-2021-36702?

CVE-2021-36702 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36702?

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-2021-36702?

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

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Source: NVD / NIST