Aggregates CVE and security vulnerability intelligence across all alkacon-related products, including CVSS, EPSS, publication dates, and vulnerability intelligence data.
Historical issues mainly involve vendor risk path handling, vendor risk csrf, and vendor risk xxe and related problems; some flaws may lead to vendor impact session compromise and vendor impact file overwrite.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2026-2736 | 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. | [email protected] | 5.1 | 0.05% | 2026-02-19 | 2026-02-23 |
| CVE-2026-2735 | 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. | [email protected] | 5.1 | 0.05% | 2026-02-19 | 2026-02-23 |
| CVE-2024-42699 | 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 | [email protected] | 6.5 | 0.38% | 2025-04-21 | 2025-04-24 |
| CVE-2024-41446 | 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. | [email protected] | 5.4 | 0.19% | 2025-04-21 | 2025-04-24 |
| 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 injected into the author parameter under the Create/Modify article function. | [email protected] | 5.4 | 0.19% | 2025-04-18 | 2025-04-23 |
| CVE-2024-5521 | 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. | [email protected] | 6.4 | 0.23% | 2024-05-30 | 2025-04-10 |
| CVE-2024-5520 | 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. | [email protected] | 6.4 | 0.17% | 2024-05-30 | 2025-04-23 |
| CVE-2023-6380 | 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. | [email protected] | 6.1 | 43.28% | 2023-12-13 | 2024-11-21 |
| CVE-2023-6379 | 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. | [email protected] | 5.4 | 18.62% | 2023-12-13 | 2024-11-21 |
| 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 crafted PNG file. | [email protected] | 6.1 | 0.35% | 2023-07-20 | 2024-11-21 |
| 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 injected into the Title field under the Upload Image module. | [email protected] | 5.4 | 0.20% | 2023-05-16 | 2025-01-23 |
| 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 the Sitemap functionality. These scripts are executed in a victim’s browser when they open the page containing the vulnerable field. | [email protected] | 5.4 | 0.19% | 2021-10-19 | 2024-11-21 |
| 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 from the server's file system by uploading a crafted SVG document. | [email protected] | 6.5 | 0.34% | 2021-10-08 | 2024-11-21 |
| CVE-2019-13237 | In Alkacon OpenCms 10.5.4 and 10.5.5, there are multiple resources vulnerable to Local File Inclusion that allow an attacker to access server resources: clearhistory.jsp, convertxml.jsp, group_new.jsp, loginmessage.jsp, xmlcontentrepair.jsp, and /system/workplace/admin/history/settings/index.jsp. | [email protected] | 4.3 | 4.14% | 2019-08-27 | 2024-11-21 |
| 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. | [email protected] | 6.1 | 3.53% | 2019-08-27 | 2024-11-21 |
| CVE-2019-13235 | In the Alkacon OpenCms Apollo Template 10.5.4 and 10.5.5, there is XSS in the Login form. | [email protected] | 6.1 | 3.53% | 2019-08-27 | 2024-11-21 |
| CVE-2019-13234 | In the Alkacon OpenCms Apollo Template 10.5.4 and 10.5.5, there is XSS in the search engine. | [email protected] | 6.1 | 1.71% | 2019-08-27 | 2024-11-21 |
| CVE-2019-11819 | 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. | [email protected] | 7.8 | 0.20% | 2019-05-08 | 2024-11-21 |
| CVE-2019-11818 | Alkacon OpenCMS v10.5.4 and before is affected by stored cross site scripting (XSS) in the module New User (/opencms/system/workplace/admin/accounts/user_new.jsp). This allows an attacker to insert arbitrary JavaScript as user input (First Name or Last Name), which will be executed whenever the affected snippet is loaded. | [email protected] | 6.1 | 0.21% | 2019-05-08 | 2024-11-21 |
| CVE-2018-8815 | Cross-site scripting (XSS) vulnerability in the gallery function in Alkacon OpenCMS 10.5.3 allows remote attackers to inject arbitrary web script or HTML via a malicious SVG image. | [email protected] | 4.6 | 0.19% | 2018-03-20 | 2024-11-21 |