Cisco Packaged Contact Center Enterprise cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco Packaged Contact Center Enterprise and Unified Contact Center Enterprise. The impacted element is an unknown function. The manipulation results in cross site scripting. This vulnerability is reported as CVE-2026-20055. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Cisco Packaged Contact Center Enterprise and Unified Contact Center Enterprise (affected version not known). Affected is some unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

Multiple vulnerabilities in the web-based management interface of Cisco Packaged Contact Center Enterprise (Packaged CCE) and Cisco Unified Contact Center Enterprise (Unified CCE) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device.  These vulnerabilities exist because the web-based management interface does not properly validate user-supplied input. An attacker could exploit these vulnerabilities by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. To exploit these vulnerabilities, the attacker must have valid administrative credentials.

The advisory is available at sec.cloudapps.cisco.com. This vulnerability is traded as CVE-2026-20055. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0193). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Cisco Unified Contact Center Enterprise

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.5

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.8
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/21/2026 Advisory disclosed
01/21/2026 +0 days VulDB entry created
01/27/2026 +6 days VulDB entry last update

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-ucce-pcce-xss-2JVyg3uD
Status: Confirmed

CVE: CVE-2026-20055 (🔒)
GCVE (CVE): GCVE-0-2026-20055
GCVE (VulDB): GCVE-100-342162
CERT Bund: WID-SEC-2026-0193 - Cisco Unified Contact Center Enterprise: Mehrere Schwachstellen ermöglichen Cross-Site Scripting

Entryinfo

Created: 01/21/2026 17:23
Updated: 01/27/2026 09:57
Changes: 01/21/2026 17:23 (50), 01/22/2026 14:39 (7), 01/27/2026 09:57 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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