LinkedIn Oncall 1.4.0 XSS

By
Anandhu Krishnan
Published on
10 Jan 2022
Vulnerability

Description

LinkedIn Oncall is the on-call management and scheduling system at LinkedIn. It offers highly customizable scheduling for on-call shifts, as well as a streamlined UI for editing, swapping, and overriding on-call shifts.

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.

Impact

  • If attackers can control the script which is executed in the victim’s browser, by intentionally installing RAT, then the attacker can fully compromise that user’s device

  • Attackers can change any information that the user is able to change

  • Attackers can display any information that the user is able to do

  • Attackers can perform any action on the user’s behalf

Recommendation

  • Update LinkedIn Oncall to the latest version.
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Written by
Anandhu Krishnan
Anandhu Krishnan
Lead Engineer
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