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CVE-2023-20096

15
FAUCET Score

CVE-2023-20096 is a stored cross-site scripting (XSS) vulnerability in the web-based management interface of Cisco Unified Contact Center Express (Unified CCX), stemming from insufficient input validation. This medium-severity vulnerability (CVSS 5.4) requires an authenticated, remote attacker to inject crafted text into input fields, potentially executing scripts in the context of other users. While the attack complexity is low, it requires user interaction (UI:R). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 12.5\(1\)su3CPE matchmatch criteria
cpe:2.3:a:cisco:unified_contact_center_express:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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 Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
39.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 61st percentile among its peer group of 15,239 CVEs.

Social Chatter

No social media mentions found for this CVE.

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.

Media 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

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

sec.cloudapps.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-xss-GO9L9xxr
Vendor Advisory