CVE-2026-2736 (GCVE-0-2026-2736)

Vulnerability from cvelistv5 – Published: 2026-02-19 08:39 – Updated: 2026-03-09 08:54
VLAI
Title
Reflected Cross-Site Scripting (XSS) vulnerability in Alkacon's OpenCms
Summary
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.
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-20 16:06 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
INCIBE CNA under the INCIBE root
CNA scorecard B 85/100 over 148 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Alkacon OpenCms Affected: 18.0
    cpe:2.3:a:alkacon:opencms:18.0:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-02-19 08:00
Credits
Gonzalo Aguilar García (6h4ack)
Show details on NVD website
To clipboard 

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