01 Record
CVE-2026-20055
Cisco Packaged Contact Center Enterprise & Cisco Unified Contact Center Enterprise Cross-Site Scripting Vulnerability
MediumPUBLISHEDCNA: cisco
CNA base score4.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
02 Description
Cisco Packaged Contact Center Enterprise & Cisco Unified Contact Center Enterprise Cross-Site Scripting Vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.20% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 10.6% of scored records. A rank, not a probability.
- NVD base score
- 4.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-01-21 16:26Z9 MO AGO
- Last updated
- 2026-01-21 16:50Z9 MO AGO
- Reserved
- 2025-10-08
- Assigning CNA
- cisco
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.2
- Document digest
- f5aedc31e10dc307efe85142a3afcfb56f5ba7b00a2a926e2c6e9f66f3e4329d
05 Affected products
VendorProductVersionsPlatforms
CiscoCisco Packaged Contact Center Enterprise12.5(1), 11.0(1), 12.0(1), 11.0(2), 11.5(1), 10.5(1), 10.5(2), 11.6(2), 10.5(1)_ES7, 11.6(1), 10.5(2)_ES8, 12.6(1), 12.5(2), 12.6(2), 15.0(1)—
CiscoCisco Unified Contact Center Enterprise12.6(1)ES3, 12.6(1)ES1, 12.6(1), 12.6(1)ES2, 12.6(1)SecurityPatch, 12.5(1)ES1, 12.5(1), 12.6(1)ES4, 11.0(1), 10.5(1), 12.0(1), 10.5, 11.0, 11.5, 12.6(2), 12.6(2)ES1, 12.6(2)ES2, 15.0(1), 12.6(2)ES3, 15.0(1)ET01, 15.0(1)_SP1, 15.0(1)ES202508—
06 References
- sec.cloudapps.cisco.comcisco-sa-ucce-pcce-xss-2JVyg3uDhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucce-pcce-xss-2JVyg3uD