CVE-2021-27778 json
HCL Traveler is susceptible to a cross-site scripting vulnerability which could allow an attacker to execute a malicious script to access sensitive information.
published 2022-05-31 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14519
- cvss
- 4.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 32%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L |
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- HCL Software HCL Traveler
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
support.hcltechsw.com
/csm?id=kb_article&sysparm_article=KB0098044
third-party-advisory
Sources
- CVE List CVE-2021-27778
- NVD CVE-2021-27778
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