CVE-2026-2736

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Source

https://cve.org/CVERecord?id=CVE-2026-2736

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2736.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-2736

Published

2026-02-19T08:39:46.150Z

Modified

2026-07-15T01:49:12.479865189Z

Severity

5.1 (Medium) CVSS_V4 - 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 CVSS Calculator

Summary

Reflected Cross-Site Scripting (XSS) vulnerability in Alkacon's OpenCms

Details

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.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2736.json",
    "cwe_ids": [
        "CWE-79"
    ],
    "cna_assigner": "INCIBE",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "18.0"
                },
                {
                    "last_affected": "18.0"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ]
}

References

Affected packages

Git / github.com/alkacon/opencms-core

Affected ranges

Type

GIT

Repo

https://github.com/alkacon/opencms-core

Events

Introduced

b6fe78b972f1dabb9cb06e800b4e8fe278741c8d

Last affected

b6fe78b972f1dabb9cb06e800b4e8fe278741c8d

Database specific

{
    "extracted_events": [
        {
            "introduced": "18.0.0"
        },
        {
            "last_affected": "18.0.0"
        }
    ],
    "source": "CPE_STRING",
    "cpe": "cpe:2.3:a:alkacon:opencms:18.0.0:*:*:*:*:*:*:*"
}

Affected versions

18.*

18.0.0

Other

build_18_0_0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2736.json"