CVE-2025-2748: The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file uploa

Q: How do I fix CVE-2025-2748?

xperience: upgrade to newer than 13.0.178. Exact commands for each OS are on this page.

Q: Is CVE-2025-2748 being exploited?

CVE-2025-2748 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-2748 affect?

CVE-2025-2748 affects xperience. Severity is medium (CVSS 6.1). The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload functionality, which allows for stored XSS.This issue affects Kentico Xperience through 13.0.178.

Q: How urgent is CVE-2025-2748?

Priority 46/100. EPSS top 1%: very likely to be exploited

This week

MEDIUM 6.1UPGRADE

CVE-2025-2748 is a medium-severity flaw (CVSS 6.1) affecting xperience. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload functionality, which allows for stored XSS.This issue affects Kentico Xperience through 13.0.178.

Why this priority

EPSS top 1%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	60.6% (top 1%)
CISA exploited list	No
Weakness	CWE-79, CWE-434
Published	2025-03-24
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: kentico

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-03-24 19:15 UTCPublished CVE record published
2026-06-17 09:07 UTCUpdated Record last modified

kentico xperience UPGRADE

Affected: <= 13.0.178

Fixed in: newer than 13.0.178

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy xperience || rpm -q xperience || xperience --version

2. UPGRADE to newer than 13.0.178 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade xperience

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xperience

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Kentico Xperience CMS - Unauthenticated Stored XSS

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-2748?

xperience: upgrade to newer than 13.0.178. Exact commands for each OS are on this page.

Is CVE-2025-2748 being exploited?

CVE-2025-2748 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-2748 affect?

CVE-2025-2748 affects xperience. Severity is medium (CVSS 6.1). The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload functionality, which allows for stored XSS.This issue affects Kentico Xperience through 13.0.178.

How urgent is CVE-2025-2748?

Priority 46/100. EPSS top 1%: very likely to be exploited

Related CVEs

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CVE-2020-36890 HIGH 7.2 UPGRADE An access control bypass vulnerability in Kentico Xperience allows administrators to modify global administrat
CVE-2025-32370 HIGH 7.2 UPGRADE Kentico Xperience before 13.0.178 has a specific set of allowed ContentUploader file extensions for unauthenti
CVE-2025-32369 MEDIUM 6.4 UPGRADE Kentico Xperience before 13.0.181 allows authenticated users to distribute malicious content (for stored XSS)
CVE-2025-2794 HIGH 8.7 UPGRADE An unsafe reflection vulnerability in Kentico Xperience allows an unauthenticated attacker to kill the current

References

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