CVE-2026-21788 is a cross-site scripting (XSS) vulnerability affecting HCL Connections, allowing an attacker to execute arbitrary script code in a user's browser. Rated Medium with a CVSS score of 5.4, this vulnerability has a network attack vector and low attack complexity, but requires user interaction. Successful exploitation could lead to the theft of authentication credentials, user account compromise, and further attacks. There is currently no evidence of active exploitation, nor are there public exploit modules available. Community discussion and media coverage are also minimal, indicating very low public attention or active threat.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.0CPE matchmatch criteria | cpe:2.3:a:hcltech:connections:8.0:-:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:a:hcltech:connections:8.0:cumulative_release1:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:a:hcltech:connections:8.0:cumulative_release10:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:a:hcltech:connections:8.0:cumulative_release11:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:a:hcltech:connections:8.0:cumulative_release12:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.