CVE-2021-27778: hcl software hcl traveler Cross-site Scripting
Vulnerability summary
CVE-2021-27778 is a medium (CVSS 4.9) Cross-site Scripting vulnerability in hcl software hcl traveler. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.4% of scored vulnerabilities.
Timeline
- 31-05-2022PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
30%
Versus all other CVEs
30-day change
+0.01 pp
From 0.37% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Hcl software1 product
- hcl traveler12.0.1.0 and earlier
Hcltech1 product
- traveler≤ 12.0.1.0
2 vendors · 2 products
References
1 links- support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098044X Refsource MISCThird Party Advisory