CVE-2021-26722

Name: CVE-2021-26722
Creator: NVD / NIST
Published: 2021-02-05T18:15:12.69+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 3.20%

Last modified Jun 17, 2026

CVE-2021-26722 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. LinkedIn Oncall through 1.4.0 allows reflected XSS via /query because of mishandling of the "No results found for" message in the search bar.. EPSS estimates a 3.20% chance of exploitation in the next 30 days.

Description

LinkedIn Oncall through 1.4.0 allows reflected XSS via /query because of mishandling of the "No results found for" message in the search bar.

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

3.20%

86.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Linkedin	Oncall	<= 1.4.0

References

https://github.com/linkedin/oncall/issues/341Exploit, Issue Tracking, Third Party Advisory
https://github.com/linkedin/oncall/issues/341Exploit, Issue Tracking, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-26722?

LinkedIn Oncall through 1.4.0 allows reflected XSS via /query because of mishandling of the "No results found for" message in the search bar.

How severe is CVE-2021-26722?

CVE-2021-26722 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 3.20% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26722?

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-2021-26722?

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

Scan your code now

Source: NVD / NIST