CVE-2026-21431

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Source
https://cve.org/CVERecord?id=CVE-2026-21431
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21431.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-21431
Aliases
  • GHSA-9vc2-crhr-248x
Published
2026-01-02T18:49:03.202Z
Modified
2026-07-15T01:49:08.645341048Z
Severity
  • 2.0 (Low) 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/E:P CVSS Calculator
Summary
Emlog vulnerable to stored Cross-site Scripting via image name
Details

Emlog is an open source website building system. Version 2.5.23 has a stored cross-site scripting vulnerability in the Resource media library function while publishing an article. As of time of publication, no known patched versions are available.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21431.json",
    "cwe_ids": [
        "CWE-79"
    ]
}
References

Affected packages

Git / github.com/emlog/emlog

Affected ranges

Type
GIT
Repo
https://github.com/emlog/emlog
Events
Introduced
357cf42d18ae7dc6296728a737c16c835e9ec159
Last affected
357cf42d18ae7dc6296728a737c16c835e9ec159
Database specific 
{
    "cpe": "cpe:2.3:a:emlog:emlog:2.5.23:*:*:*:pro:*:*:*",
    "source": [
        "AFFECTED_FIELD",
        "CPE_STRING"
    ],
    "extracted_events": [
        {
            "introduced": "= 2.5.23"
        },
        {
            "last_affected": "= 2.5.23"
        },
        {
            "introduced": "2.5.23"
        },
        {
            "last_affected": "2.5.23"
        }
    ]
}

Affected versions

2.*
2.5.23
= 2.*
= 2.5.23
pro-2.*
pro-2.5.23

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21431.json"