CVE-2026-20109 describes multiple cross-site scripting (XSS) vulnerabilities in the web-based management interfaces of Cisco Packaged Contact Center Enterprise and Cisco Unified Contact Center Enterprise. These flaws stem from insufficient input validation, allowing an authenticated, remote attacker to inject malicious code. The vulnerability carries a CVSS score of 4.8 (Medium), indicating a network-based attack with low complexity, requiring high privileges and user interaction, leading to low impact on confidentiality and integrity. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion with 11 mentions and one media article, suggesting awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Cisco | Cisco Packaged Contact Center Enterprise | 10.5(1), 10.5(1)_ES7, 10.5(2), 10.5(2)_ES8, 11.0(1), 11.0(2), 11.5(1), 11.6(1), 11.6(2), 12.0(1), 12.5(1), 12.5(2), 12.6(1), 12.6(2), 15.0(1)CNA affecteddefault unknown | |
| Cisco | Cisco Unified Contact Center Enterprise | 10.5, 10.5(1), 11.0, 11.0(1), 11.5, 12.0(1), 12.5(1), 12.5(1)ES1, 12.6(1), 12.6(1)ES1, 12.6(1)ES2, 12.6(1)ES3, 12.6(1)ES4, 12.6(1)SecurityPatch, 12.6(2), 12.6(2)ES1, 12.6(2)ES2, 12.6(2)ES3, 12.6(2)_ES, 15.0(1), 15.0(1)ES202508, 15.0(1)ET01, 15.0(1)_SP1CNA affecteddefault unknown |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/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.
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.