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CVE-2025-5591

21
FAUCET Score

CVE-2025-5591 is a stored cross-site scripting (XSS) vulnerability affecting Kentico Xperience 13, specifically through a form component. This medium-severity flaw (CVSS 5.4) allows an authenticated attacker to inject malicious scripts, potentially leading to session hijacking and unauthorized actions within a victim's security context. While the attack complexity is low, requiring user interaction, there is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 13.0.0, < 13.0.167CPE matchmatch criteria
cpe:2.3:a:kentico:xperience:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

7.7HIGH

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
HIGH
SS Integrity
HIGH
SS Availability
HIGH
Exploit Maturity
UNREPORTED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.14%
Probability of exploitation in next 30 days
EPSS Percentile
4.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0014 is in the 2nd percentile among its peer group of 15,239 CVEs.

Social Chatter

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

Remediation records are not available for this CVE.

References

themissinglink.com.au / security-advisories/cve-2025-5591
Third Party Advisory