ZeroHour

Vulnerabilities

21 CVEs · NVD, GitHub Advisories, CISA KEV, FIRST EPSS, GitHub PoC repos

CVEVulnerabilityCVSSEPSSFlagsAffectedExposurePublished
CVE-2026-2735
+1 in the same advisory: …2736
Stored Cross-Site Scripting (XSS) in Alkacon's OpenCms v18.0, which occurs when user input is not properly validated when sending a POST request to ‘/blog/new-a

Stored Cross-Site Scripting (XSS) in Alkacon's OpenCms v18.0, which occurs when user input is not properly validated when sending a POST request to ‘/blog/new-article/org.opencms.ugc.CmsUgcEditService.gwt’ using the ‘text’ parameter.

NVD description · AI analysis pending
5.1<1%
  • alkacon opencms
CVE-2024-42699
+1 in the same advisory: …41446
Cross Site Scripting vulnerability in Create/Modify article function in Alkacon OpenCMS 17.0 allows remote attacker to inject javascript payload via image title

Cross Site Scripting vulnerability in Create/Modify article function in Alkacon OpenCMS 17.0 allows remote attacker to inject javascript payload via image title sub-field in the image field

NVD description · AI analysis pending
6.5
group max
<1% PoC
  • alkacon opencms
CVE-2024-41447
A stored cross-site scripting (XSS) vulnerability in Alkacon OpenCMS v17.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injec

A stored cross-site scripting (XSS) vulnerability in Alkacon OpenCMS v17.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the author parameter under the Create/Modify article function.

NVD description · AI analysis pending
5.4<1% PoC
  • alkacon opencms
CVE-2024-5521
+1 in the same advisory: …5520
Two Cross-Site Scripting vulnerabilities have been discovered in Alkacon's OpenCMS affecting version 16, which could allow a user having the roles of gallery ed

Two Cross-Site Scripting vulnerabilities have been discovered in Alkacon's OpenCMS affecting version 16, which could allow a user having the roles of gallery editor or VFS resource manager will have the permission to upload images in the .svg format containing JavaScript code. The code will be executed the moment another user accesses the image.

NVD description · AI analysis pending
6.4
group max
<1%
  • alkacon opencms
CVE-2023-6379
+1 in the same advisory: …6380
Cross-site scripting (XSS) vulnerability in Alkacon Software Open CMS, affecting versions 14 and 15 of the 'Mercury' template.

Cross-site scripting (XSS) vulnerability in Alkacon Software Open CMS, affecting versions 14 and 15 of the 'Mercury' template. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to a victim and partially take control of their browsing session.

NVD description · AI analysis pending
6.12%
  • alkacon opencms
CVE-2023-37602
An arbitrary file upload vulnerability in the component /workplace#!explorer of Alkacon OpenCMS v15.0 allows attackers to execute arbitrary code via uploading a

An arbitrary file upload vulnerability in the component /workplace#!explorer of Alkacon OpenCMS v15.0 allows attackers to execute arbitrary code via uploading a crafted PNG file.

NVD description · AI analysis pending
6.1<1% PoC
  • alkacon opencms
CVE-2023-31544
A stored cross-site scripting (XSS) vulnerability in alkacon-OpenCMS v11.0.0.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload i

A stored cross-site scripting (XSS) vulnerability in alkacon-OpenCMS v11.0.0.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Title field under the Upload Image module.

NVD description · AI analysis pending
5.4<1% PoC
  • alkacon opencms
CVE-2021-25968
In “OpenCMS”, versions 10.5.0 to 11.0.2 are affected by a stored XSS vulnerability that allows low privileged application users to store malicious scripts in th

In “OpenCMS”, versions 10.5.0 to 11.0.2 are affected by a stored XSS vulnerability that allows low privileged application users to store malicious scripts in the Sitemap functionality. These scripts are executed in a victim’s browser when they open the page containing the vulnerable field.

NVD description · AI analysis pending
5.4<1%
  • alkacon opencms
CVE-2021-3312
An XML external entity (XXE) vulnerability in Alkacon OpenCms 11.0, 11.0.1 and 11.0.2 allows remote authenticated users with edit privileges to exfiltrate files

An XML external entity (XXE) vulnerability in Alkacon OpenCms 11.0, 11.0.1 and 11.0.2 allows remote authenticated users with edit privileges to exfiltrate files from the server's file system by uploading a crafted SVG document.

NVD description · AI analysis pending
6.51% PoC
  • alkacon opencms
CVE-2019-13235
+2 in the same advisory: …13234 …13237
In the Alkacon OpenCms Apollo Template 10.5.4 and 10.5.5, there is XSS in the Login form.

In the Alkacon OpenCms Apollo Template 10.5.4 and 10.5.5, there is XSS in the Login form.

NVD description · AI analysis pending
6.1
group max
3% PoC
  • alkacon opencms apollo template
CVE-2019-13236
In system/workplace/ in Alkacon OpenCms 10.5.4 and 10.5.5, there are multiple Reflected and Stored XSS issues in the management interface.

In system/workplace/ in Alkacon OpenCms 10.5.4 and 10.5.5, there are multiple Reflected and Stored XSS issues in the management interface.

NVD description · AI analysis pending
6.13% PoC
  • alkacon opencms
CVE-2019-11819
+1 in the same advisory: …11818
Alkacon OpenCMS v10.5.4 and before is affected by CSV (aka Excel Macro) Injection in the module New User (/opencms/system/workplace/admin/accounts/user_new.jsp)

Alkacon OpenCMS v10.5.4 and before is affected by CSV (aka Excel Macro) Injection in the module New User (/opencms/system/workplace/admin/accounts/user_new.jsp) via the First Name or Last Name.

NVD description · AI analysis pending
7.8
group max
1% PoC ×2
  • alkacon opencms
CVE-2018-8811
+1 in the same advisory: …8815
Cross-site request forgery (CSRF) vulnerability in system/workplace/admin/accounts/user_role.jsp in OpenCMS 10.5.3 allows remote attackers to hijack the authent

Cross-site request forgery (CSRF) vulnerability in system/workplace/admin/accounts/user_role.jsp in OpenCMS 10.5.3 allows remote attackers to hijack the authentication of administrative users for requests that perform privilege escalation. Note: It is argued that OpenCMS allows only registered users to upload different kind of content artifacts (SVG, .doc, .docx). The uploaded content is stored in the CMS content repository "as is". In case of scripts inside an SVG, this may or may not be "malicious", there is no way of knowing if the uploaded SVG contains the script for a reason. To exploit the "issue", a user must have an account in the CMS as a content manager

NVD description · AI analysis pending
8.8
group max
2% PoC ×2
  • alkacon opencms