CVE-2021-38138

Name: CVE-2021-38138
Creator: NVD / NIST
Published: 2021-08-05T16:15:07.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.50%

Last modified Jun 17, 2026

CVE-2021-38138 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. OneNav beta 0.9.12 allows XSS via the Add Link feature. NOTE: the vendor's position is that there intentionally is not any XSS protection at present, because the attack risk is largely limited to a compromised account; however, XSS protection is planned for a future release.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

Description

OneNav beta 0.9.12 allows XSS via the Add Link feature. NOTE: the vendor's position is that there intentionally is not any XSS protection at present, because the attack risk is largely limited to a compromised account; however, XSS protection is planned for a future release.

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

1.50%

71.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Onenav	Onenav	0.9.12

References

http://packetstormsecurity.com/files/163753/OneNav-Beta-0.9.12-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/helloxz/onenav/issues/26Exploit, Third Party Advisory
https://github.com/helloxz/onenav/releasesThird Party Advisory
http://packetstormsecurity.com/files/163753/OneNav-Beta-0.9.12-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/helloxz/onenav/issues/26Exploit, Third Party Advisory
https://github.com/helloxz/onenav/releasesThird Party Advisory

Timeline

Published: Aug 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38138?

How severe is CVE-2021-38138?

CVE-2021-38138 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38138?

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-2021-38138?

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

Scan your code now

Source: NVD / NIST