Alkacon: >> Opencms Security Vulnerabilities
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.
CVSS Score
5.4
EPSS Score
0.0
Published
2026-02-19
Reflected Cross-site Scripting (XSS) in Alkacon's OpenCms v18.0, which allows an attacker to execute JavaScript code in the victim's browser by sending the victim a malicious URL containing the ‘q’ parameter in ‘/search/index.html’. This vulnerability can be exploited to steal sensitive user information such as session cookies, or to perform actions while impersonating the user.
CVSS Score
6.1
EPSS Score
0.0
Published
2026-02-19
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
CVSS Score
6.5
EPSS Score
0.006
Published
2025-04-21
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 image parameter under the Create/Modify article function.
CVSS Score
5.4
EPSS Score
0.002
Published
2025-04-21
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.
CVSS Score
5.4
EPSS Score
0.001
Published
2025-04-18
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.
CVSS Score
6.4
EPSS Score
0.002
Published
2024-05-30
Two Cross-Site Scripting vulnerabilities have been discovered in Alkacon's OpenCMS affecting version 16, which could allow a user with sufficient privileges to create and modify web pages through the admin panel, can execute malicious JavaScript code, after inserting code in the “title” field.
CVSS Score
6.4
EPSS Score
0.002
Published
2024-05-30
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.
CVSS Score
5.4
EPSS Score
0.186
Published
2023-12-13
Open redirect vulnerability has been found in the Open CMS product affecting versions 14 and 15 of the 'Mercury' template. An attacker could create a specially crafted URL and send it to a specific user to redirect them to a malicious site and compromise them. Exploitation of this vulnerability is possible due to the fact that there is no proper sanitization of the 'URI' parameter.
CVSS Score
6.1
EPSS Score
0.433
Published
2023-12-13
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.
CVSS Score
6.1
EPSS Score
0.003
Published
2023-07-20
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