CVE-2026-21788
MEDIUM EPSS 6.0%
Published Mar 19, 20263mo ago · Modified Jun 17, 20262w ago
5.4 CVSS 3.1
Published Mar 19, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago
Description
HCL Connections is vulnerable to a cross-site scripting attack where an attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user which leads to executing malicious script code. This may allow the attacker steal cookie-based authentication credentials and comprise user's account then launch other attacks.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None
Threat Intelligence
EPSS Exploit Probability
6.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
Affected Products 13
| Vendor | Product | Version | Range |
|---|---|---|---|
| hcltech | connections | 8.0 | any |
| hcltech | connections | 8.0 | any |
| hcltech | connections | 8.0 | any |
| hcltech | connections | 8.0 | any |
| hcltech | connections | 8.0 | any |
| hcltech | connections | 8.0 | any |
| hcltech | connections | 8.0 | any |
| hcltech | connections | 8.0 | any |
| hcltech | connections | 8.0 | any |
| hcltech | connections | 8.0 | any |
| hcltech | connections | 8.0 | any |
| hcltech | connections | 8.0 | any |
| hcltech | connections | 8.0 | any |
References 1
- support.hcl-software.com https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129107
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.