CVE-2021-27778: HCL Traveler is susceptible to a cross-site scripting vulnerability which could allow an attacker to execute a malicious script to access sensitive information.

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-06-01 · updated 2026-06-17
Weakness: CWE-79

Description

HCL Traveler is vulnerable to a cross-site scripting (XSS) caused by improper validation of the Name parameter for Approved Applications in the Traveler administration web pages. An attacker could exploit this vulnerability to execute a malicious script to access any cookies, session tokens, or other sensitive information retained by the browser and used with that site.

Affected products

HCL Software HCL Traveler: through 12.0.1.0

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098044
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098044

Get alerted when CVE-2021-27778 or the next vulnerability affects your stack