Vulnerability details
CVE-2025-5591
Kentico Xperience
Stored Cross-site Scripting (XSS) in Kentico Xperience 13
CVSS 4.0
7.7High
Official description
Kentico Xperience 13 is vulnerable to a stored cross-site scripting attack via a form component, allowing an attacker to hijack a victim user’s session and perform actions in their security context.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.7High | 4.0 | CVEProject cvelistV5 (CNA) (TML) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Kentico | Kentico Xperience | 13.0.167 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-01-05
- Last updated
- 2026-01-06
- State
- Published
- Assigner (CNA)
- TML
Exploit prediction (EPSS)
0.17%
Probability of exploitation in 30 days
6.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-79Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
- CWE-1188Insecure Default Initialization of Resource