NVD / CVE Program· CNA VulnCheck

CVE-2025-2749: Kentico Xperience <= 13.0.178 Staging Media File Upload Authenticated RCE

Noroxi assessment

Priority: Plan (action score 59/100)

CISA has confirmed exploitation in the wild (Apr 20, 2026). Remediation deadline for US federal agencies: May 4, 2026.
Probability of exploitation in the next 30 days: 4% (FIRST EPSS); higher than 90.5% of all records.
Anyone who can reach it over the internet can trigger it. Administrator privileges are required. No user action is required. No special conditions are required; it is repeatable.
According to the record, no fixed version is available yet.

Add it to your regular patch cycle. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · CISA KEV · FIRST EPSS

An authenticated remote code execution in Kentico Xperience allows authenticated users Staging Sync Server to upload arbitrary data to path relative locations. This results in path traversal and arbitrary file upload, including content that can be executed server side leading to remote code execution.This issue affects Kentico Xperience through 13.0.178.

HighCVSS 7.2 · v3.1KEVWeaponized No fix recorded

Published: Mar 24, 2025
Updated: Jun 17, 2026
EPSS: 4.0% · 90th percentile
CWE: CWE-22

Report tools

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Action score

Plan

Add it to your regular patch cycle.

CVSS: 28 / 40 · 7.2 / 10
CISA KEV: 30 / 30 · Listed
EPSS: 1 / 30 · 4.0%

CISA SSVC decision

Exploitation: active
Automatable: no
Technical impact: total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: —
CNA · VulnCheck: 7.2; NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on Apr 20, 2026. That signals real attacks, not theory.

Remediation deadline for US federal agencies: May 4, 2026.

Get told when this record changes

In CISA KEV: exploitation in the wild confirmed
Weaponized exploit exists
No fixed version yet

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
kentico	xperience	cpe:2.3:a:kentico:xperience

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

kentico xperienceup to 13.0.178 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulnCheck). Independent of NVD's CPE analysis and usually ahead of it.

Kentico Xperience
- up to and including 13.0.178affected

Same product

kentico: all records

Other highest-scoring records for the same primary product.

CVE-2025-2747Kentico Xperience <= 13.0.178 Staging Sync Server None Password Type Authentication BypassKEV
98Now
CVE-2019-10068An issue was discovered in Kentico 12.0.x before 12.0.15, 11.0.x before 11.0.48, 10.0.x before 10.0.52, and 9.x versions.KEV
98Now
CVE-2025-2746Kentico Xperience <= 13.0.172 Staging Sync Server Digest Password Authentication BypassKEV
91Now

Published before and after this one in the same product

← EarlierCVE-2022-32387Jul 18, 2022 · In Kentico before 13.0.66, attackers can achieve Denial of Service via a crafted request to the GetResource handler.
30Monitor
← EarlierCVE-2025-2748Mar 24, 2025 · Kentico Xperience stored cross-site scripting in multiple-file upload functionality
42Plan
Later →CVE-2025-2794Mar 31, 2025 · Kentico Xperience <= 13.0.180 Unsafe Reflection
34Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

PublishedMar 24, 2025
CISA KEVApr 20, 2026+391 d
TodayOct 31, 2026+586 d

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Piotr Bazydlo (watchTowr)finder

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

—

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

CVE-2025-27470 days apartKentico Xperience <= 13.0.178 Staging Sync Server None Password Type Authentication BypassKEV
98Now
CVE-2025-27460 days apartKentico Xperience <= 13.0.172 Staging Sync Server Digest Password Authentication BypassKEV
91Now

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
Administrator privileges are required.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Network
Attack complexity: Low
Privileges required: High
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Root cause

A user-supplied file name is joined with the allowed directory, but the result is never checked to confirm it is still inside that directory.

The bug in code

The whole CWE-22 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1const file = path.join(ROOT, req.query.name);
2res.sendFile(file);

Fixed

1const file = path.resolve(ROOT, req.query.name);
2if (!file.startsWith(ROOT + path.sep)) {
3  return res.sendStatus(400);
4}
5res.sendFile(file);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

devnet.kentico.com/download/hotfixes

Show all references (2 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records