CVE-2026-1555

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Source

https://cve.org/CVERecord?id=CVE-2026-1555

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1555.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-1555

Published

2026-04-15T03:37:20.474Z

Modified

2026-07-08T07:59:50.433409424Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

WebStack <= 1.2024 - Unauthenticated Arbitrary File Upload

Details

The WebStack theme for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the ioimgupload() function in all versions up to, and including, 1.2024. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1555.json",
    "cna_assigner": "Wordfence",
    "cwe_ids": [
        "CWE-434"
    ]
}

References

Affected packages

Git / github.com/owen0o0/webstack

Affected ranges

Type

GIT

Repo

https://github.com/owen0o0/webstack

Events

Introduced

Last affected

42170293d8248bbef40459bba8130899caa749aa

Database specific

{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.2024"
        }
    ]
}

Affected versions

1.*

1.0

1.0906

1.1024

1.1026

1.1029

1.1117

1.1121

1.1125

1.1202

1.1208

1.1208.1

1.1217

1.1229

1.1315

1.1422

1.15.97

1.1522

1.1620

1.1725

1.1820

1.1821

1.1822

1.1824

1.2024

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1555.json"