CVE-2021-3799

Name: CVE-2021-3799
Creator: NVD / NIST
Published: 2021-09-27T13:15:07.723+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.55%

Last modified Jun 17, 2026

CVE-2021-3799 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. grav-plugin-admin is vulnerable to Improper Restriction of Rendered UI Layers or Frames. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

Description

grav-plugin-admin is vulnerable to Improper Restriction of Rendered UI Layers or Frames

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

1.55%

71.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Getgrav	Grav-Plugin-Admin	< 1.10.20

References

https://github.com/getgrav/grav-plugin-admin/commit/853abfbbd3c14a0a601c941dcfaa3858b6283b69Patch, Third Party Advisory
https://huntr.dev/bounties/d73f24a8-302b-4f9f-abb8-54688abd9813Exploit, Third Party Advisory
https://github.com/getgrav/grav-plugin-admin/commit/853abfbbd3c14a0a601c941dcfaa3858b6283b69Patch, Third Party Advisory
https://huntr.dev/bounties/d73f24a8-302b-4f9f-abb8-54688abd9813Exploit, Third Party Advisory

Timeline

Published: Sep 27, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3799?

grav-plugin-admin is vulnerable to Improper Restriction of Rendered UI Layers or Frames

How severe is CVE-2021-3799?

CVE-2021-3799 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3799?

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-2021-3799?

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

Scan your code now

Source: NVD / NIST