UM
Product
Umbraco-CMS
by umbraco · last CVE Oct 27, 2026
60
CVEs
0
On KEV
10.0
Max CVSS
2
New 30D
Severity mix
Critical 5High 9Medium 43Low 2
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2025-67288
10.0
1%
Dec 22
An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute arbitrary code by uploading a crafted PDF file
Affected: 16.3.3
CVE-2012-10054
9.8
4%
Aug 13
Umbraco CMS < 4.7.1 codeEditorSave.asmx RCE
Affected: before 4.7.1
CVE-2023-37267
9.8
1%
Jul 13
Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions
Affected: >= 9.0.0, < 10.6.1; >= 11.0.0, < 11.4.2; = 12.0.0
CVE-2014-10074
9.8
3%
Aug 27
Umbraco before 7.2.0 has a remote PHP code execution vulnerability because Umbraco.Web.UI/config/umbracoSettings.Release.config does not block the upload of .php files
Affected: before 7.2.0
CVE-2012-1301
9.8
3%
Apr 13
The FeedProxy.aspx script in Umbraco 4.7.0 allows remote attackers to proxy requests on their behalf via the "url" parameter
Affected: 4.7.0
CVE-2025-32017
8.8
1%
Apr 8
Umbraco has a Management API Vulnerability to Path Traversal With Authenticated Users
Affected: >= 14.0.0--preview004, < 14.3.4; >= 15.0.0-rc1, < 15.3.1
CVE-2020-9471
8.8
2%
Mar 16
Umbraco Cloud 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Packages functionality
Affected: 8.5.3
CVE-2026-69197
8.7
1%
Sep 17
Umbraco: Delivery API leaks protected (Public Access) content through Content Picker / Multi-Node Tree Picker expansion
Affected: >= 12.0.0, < 13.15.1; >= 14.0.0-rc1, < 17.5.3; >= 18.0.0, < 18.0.2
CVE-2024-47819
8.7
0%
Oct 22
Umbraco CMS vulnerable to stored Cross-site Scripting in the "dictionary name" on Dictionary section
Affected: >= 14.0.0, < 14.3.1
CVE-2026-117553
New
7.5
0%
Oct 27
Umbraco CMS before 17.7.2 and 18.2.2 Account Takeover via Host Header Poisoning
Affected: before 17.7.2; 18.0.0 before 18.2.2
CVE-2022-22690
7.5
1%
Jan 18
Umbraco Remote ApplicationURL Overwrite
Affected: before 9.2.0
CVE-2022-22691
7.4
1%
Jan 18
Umbraco Password Reset URL Poison
Affected: before 9.2.0
CVE-2026-31834
7.2
0%
Mar 10
Umbraco Affected by Vertical Privilege Escalation via Missing Authorization Checks
Affected: >= 15.3.1, < 16.5.1; >= 17.0.0, < 17.2.1
CVE-2019-25137
7.2
4%
May 18
Umbraco CMS 4.11.8 through 7.15.10, and 7.12.4, allows Remote Code Execution by authenticated administrators via msxsl:script in an xsltSelection to…
Affected: 4.11.8 through 7.15.10
CVE-2026-31833
6.7
0%
Mar 10
Umbraco has Stored XSS in UFM Rendering Pipeline via Permissive DOMPurify Attribute Filtering
Affected: >= 16.2.0, < 16.5.1; >= 17.0.0, < 17.2.1
CVE-2025-48953
6.5
0%
Jun 3
Umbraco Vulnerable to By-Pass of Configured Allowed Extensions for File Uploads
Affected: >= 14.0.0, < 15.4.2
CVE-2024-55488
6.5
0%
Jan 22
A stored cross-site scripting (XSS) vulnerability in Umbraco CMS v14.3.1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload
Affected: 14.3.1
CVE-2024-48925
6.5
0%
Oct 22
Umbraco CMS Improper Access Control Vulnerability Allows Low-Privilege Users to Access Webhook API
Affected: >= 14.0.0, < 14.3.0
CVE-2023-49089
6.5
1%
Dec 12
Umbraco CMS possible path traversal when creating packages from backoffice
Affected: >= 8.0.0, < 8.18.10; >= 9.0.0-rc001, < 10.8.1; >= 11.0.0-rc1, < 12.3.4
CVE-2020-5811
6.5
9%
Dec 30
An authenticated path traversal vulnerability exists during package installation in Umbraco CMS <= 8.9.1 or current, which could result in arbitrary files being written outside of…
Affected: through 8.9.1
CVE-2020-9472
6.5
2%
Mar 16
Umbraco CMS 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Package functionality
Affected: 8.5.3
CVE-2025-27602
6.4
0%
Mar 11
Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content
Affected: < 10.8.9; >= 11.0.0-rc1, < 13.7.1
CVE-2026-46616
6.1
0%
Jun 10
Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers
Affected: < 13.14.0; >= 17.3.0-rc, < 17.4.0
CVE-2024-34071
6.1
0%
May 21
Open Redirect Bypass Protection
Affected: >= 8.18.5, < 8.18.14; >= 10.5.0, < 10.8.6; >= 12.0.0, < 12.3.10; >= 13.0.0, < 13.3.1
CVE-2023-48313
6.1
0%
Dec 12
Umbraco contains a DOM-XSS
Affected: >= 10.0.0, < 10.8.1; >= 11.0.0-rc1, < 12.3.4
CVE-2021-34254
6.1
1%
Jun 28
Umbraco CMS before 7.15.7 is vulnerable to Open Redirection due to insufficient url sanitization on booting.aspx
Affected: before 7.15.7
CVE-2017-15280
5.5
1%
Oct 12
XML external entity (XXE) vulnerability in Umbraco CMS before 7.7.3 allows attackers to obtain sensitive information by reading files on the server or sending TCP requests to…
Affected: through 7.7.2
CVE-2026-31832
5.4
0%
Mar 10
Umbraco Backoffice API Allows Unauthorized Modification of Domain Data
Affected: >= 14.0.0, < 16.5.1; >= 17.0.0, < 17.2.0
CVE-2025-24012
5.4
0%
Jan 21
Umbraco Backoffice Components Have XSS/HTML Injection Vulnerability
Affected: >= 14.0.0, < 14.3.2; >= 15.0.0, < 15.1.2
CVE-2023-49279
5.4
0%
Dec 12
Umbraco CMS vulnerable to stored XSS via SVG File Upload
Affected: >= 7.0.0, < 7.15.11; >= 8.0.0, < 8.18.9; >= 9.0.0-rc001, < 10.7.0; >= 11.0.0-rc1, < 11.5.0; >= 12.0.0-rc1, < 12.2.0
CVE-2023-49273
5.4
0%
Dec 12
Umbraco CMS vulnerable to Privilege Escalation using Spoofing
Affected: >= 8.0.0, < 8.18.10; >= 9.0.0-rc001, < 10.8.1; >= 11.0.0-rc1, < 12.3.4
CVE-2023-38694
5.4
0%
Dec 12
Umbraco CMS vulnerable to possible injection of HTML in an unintended form
Affected: >= 8.0.0, < 8.18.10; >= 9.0.0-rc001, < 10.7.0; >= 11.0.0-rc1, < 12.1.0
CVE-2020-5809
5.4
1%
Dec 30
A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current
Affected: through 8.9.1
CVE-2020-5810
5.4
62%
Dec 30
A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current
Affected: through 8.9.1
CVE-2017-15279
5.4
1%
Oct 12
Cross-site scripting (XSS) vulnerability in Umbraco CMS before 7.7.3 allows remote attackers to inject arbitrary web script or HTML via the "page name" (aka nodename) parameter…
Affected: through 7.7.2
CVE-2021-47776
5.3
0%
Jan 15
Umbraco v8.14.1 - 'baseUrl' SSRF
Affected: 8.14.1
CVE-2025-54425
5.3
0%
Jul 30
Umbraco's Delivery API allows for cached requests to be returned with an invalid API key
Affected: >= 13.0.0, < 13.9.3; >= 15.0.0, < 15.4.4; >= 16.0.0, < 16.1.1
CVE-2025-49147
5.3
0%
Jun 24
Umbraco.Cms Vulnerable to Disclosure of Configured Password Requirements
Affected: >= 10.0.0, < 10.8.111; >= 13.0.0, < 13.9.2
CVE-2025-46736
5.3
0%
May 6
Umbraco Makes User Enumeration Feasible Based on Timing of Login Response
Affected: >= 11.0.0-rc1, < 13.8.1; < 10.8.10
CVE-2025-24011
5.3
2%
Jan 21
Umbraco CMS Vulnerable to User Enumeration Feasible Based On Management API Timing and Response Codes
Affected: >= 14.0.0, < 14.3.2; >= 15.0.0, < 15.1.2
CVE-2024-43376
5.3
0%
Aug 20
Umbraco CMS vulnerable to Generation of Error Message Containing Sensitive Information
Affected: >= 14.0.0, < 14.1.2
CVE-2024-29035
5.3
0%
Apr 17
Umbraco's Blind SSRF Leads to Port Scan by using Webhooks
Affected: >= 13.0.0 , <13.1.1
CVE-2024-28868
5.3
0%
Mar 20
Umbraco possible user enumeration vulnerability
Affected: >= 10.0.0, < 10.8.5
CVE-2023-49278
5.3
0%
Dec 12
Umbraco CMS brute force exploit can be used to collect valid usernames
Affected: >= 8.0.0, < 8.18.10; >= 9.0.0-rc001, < 10.8.1; >= 11.0.0-rc1, < 12.3.4
CVE-2023-49274
5.3
0%
Dec 12
Umbraco CMS SMTP misconfiguration exposes potential registered user email
Affected: >= 8.0.0, < 8.18.10; >= 9.0.0-rc001, < 10.8.1; >= 11.0.0-rc1, < 12.3.4
CVE-2025-66625
4.9
0%
Dec 9
Umbraco Vulnerable to Improper File Access and Credential Exposure through Dictionary Import Functionality
Affected: 10.0.0, < 13.12.1
CVE-2024-35218
4.8
0%
May 21
Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane
Affected: >= 8.0.0, < 8.18.13; >= 10.0.0, < 10.8.4; >= 12.0.0, < 12.3.7; >= 13.0.0, < 13.1.1
CVE-2018-17256
4.8
1%
Nov 27
Persistent cross-site scripting (XSS) vulnerability in Umbraco CMS 7.12.3 allows authenticated users to inject arbitrary web script via the Header Name of a content (Blog, Content…
Affected: 7.12.3
CVE-2026-46609
4.6
0%
Jun 10
Umbraco.Cms: XSS/HTML Injection in Umbraco Backoffice confirmation dialog
Affected: >= 14.0.0, < 17.4.0
CVE-2024-48927
4.6
0%
Oct 22
Potential Code Execution Risk When Viewing SVG Files in Full Screen in Backoffice
Affected: >= 13.0.0, < 13.5.2; >= 10.0.0, < 10.8.7; >= 8.0.0, < 8.18.15
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