GHSA-4VM7-68XQ-QF98
Vulnerability from github – Published: 2026-08-16 09:30 – Updated: 2026-08-16 09:30
VLAI
Details
The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 6.1.1 via the 'data' parameter parameter. This makes it possible for authenticated attackers, with editor-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information. The intended strpos()-based guard against leaving the uploads directory is bypassed by crafting a URL that includes the uploads base path as a substring while embedding directory traversal sequences, such as /wp-content/uploads/../../wp-config.php.
Severity
4.9 (Medium)
{
"affected": [],
"aliases": [
"CVE-2026-17604"
],
"database_specific": {
"cwe_ids": [
"CWE-22"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-08-16T07:16:30Z",
"severity": "MODERATE"
},
"details": "The Kirki \u2013 Freeform Page Builder, Website Builder \u0026 Customizer plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 6.1.1 via the \u0027data\u0027 parameter parameter. This makes it possible for authenticated attackers, with editor-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information. The intended strpos()-based guard against leaving the uploads directory is bypassed by crafting a URL that includes the uploads base path as a substring while embedding directory traversal sequences, such as /wp-content/uploads/../../wp-config.php.",
"id": "GHSA-4vm7-68xq-qf98",
"modified": "2026-08-16T09:30:21Z",
"published": "2026-08-16T09:30:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-17604"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.12/includes/Ajax.php#L349"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.12/includes/Ajax/ExportImport.php#L182"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.12/includes/Ajax/ExportImport.php#L186"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.12/includes/Ajax/ExportImport.php#L26"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.12/includes/Ajax/ExportImport.php#L52"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/Ajax.php#L349"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/Ajax/ExportImport.php#L182"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/Ajax/ExportImport.php#L186"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/Ajax/ExportImport.php#L26"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/Ajax/ExportImport.php#L52"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3629933%40kirki\u0026new=3629933%40kirki"
},
{
"type": "WEB",
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/d8ecb2c6-c2d0-44b0-b9c2-4fcbc0f97632?source=cve"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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