CVE-2026-2735

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Source
https://cve.org/CVERecord?id=CVE-2026-2735
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2735.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-2735
Published
2026-02-19T08:38:31Z
Modified
2026-08-12T03:51:49Z
Severity
  • 5.1 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N CVSS Calculator
Summary
Stored Cross-Site Scripting (XSS) vulnerability in Alkacon's OpenCms
Details

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.

Database specific 
{
    "cna_assigner":  "INCIBE",
    "cwe_ids":  [
        "CWE-79"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2735.json",
    "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
Show details 
{
    "cpe":  "cpe:2.3:a:alkacon:opencms:18.0.0:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "18.0.0"
        },
        {
            "last_affected":  "18.0.0"
        }
    ],
    "source":  "CPE_STRING"
}

Affected versions

18.*
18.0.0
Other
build_18_0_0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2735.json"