CVE-2025-62320: hcl sametime Cross-site Scripting
Vulnerability summary
CVE-2025-62320 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in hcl sametime. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.3% of scored vulnerabilities.
Timeline
- 17-03-2026PublishedVulnerability first disclosed.
- 17-03-2026Last modifiedVulnerability information updated.
Description
HTML Injection can be carried out in Product when a web application does not properly check or clean user input before showing it on a webpage. Because of this, an attacker may insert unwanted HTML code into the page. When the browser loads the page, it may automatically interact with external resources included in that HTML, which can cause unexpected requests from the user’s browser.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA4.7MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:NDiffers
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
+0.01 pp
From 0.16% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Hcltech9 products
- unica< 12.1.11 | ≥ 25.1.0, < 25.1.1.0.1
- unica_audience_central< 12.1.11 | ≥ 25.1.0, < 25.1.1.0.1
- unica_campaign< 12.1.11 | ≥ 25.1.0, < 25.1.1.0.1
- unica_centralised_offer_management< 12.1.11 | ≥ 25.1.0, < 25.1.1.0.1
- unica_contact_central< 12.1.11 | ≥ 25.1.0, < 25.1.1.0.1
Hcl1 product
- sametimeversion 25.1.1 and below.
2 vendors · 10 products