CVE-2026-16953 (GCVE-0-2026-16953)
Vulnerability from cvelistv5 – Published: 2026-08-08 06:00 – Updated: 2026-08-08 06:00
VLAI
EPSS
VEX
Title
AI Engine < 3.6.4 - Unauthenticated Cross-Session Chatbot File Deletion via Forgeable Session Cookie
Summary
The AI Engine WordPress plugin before 3.6.4 does not verify ownership of a guest's uploaded chatbot files before deletion, authorising the action solely by a client-supplied session cookie value, so an unauthenticated attacker who obtains a victim's session identifier and file reference can delete that victim's uploaded files.
Severity
No CVSS data available.
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/8f5460a7-9764-4c… | exploitvdb-entrytechnical-description |
Credits
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "AI Engine",
"vendor": "Unknown",
"versions": [
{
"lessThan": "3.6.4",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Revanth Hari Narayana Matte"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The AI Engine WordPress plugin before 3.6.4 does not verify ownership of a guest\u0027s uploaded chatbot files before deletion, authorising the action solely by a client-supplied session cookie value, so an unauthenticated attacker who obtains a victim\u0027s session identifier and file reference can delete that victim\u0027s uploaded files."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-639 Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-08T06:00:13.553Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/8f5460a7-9764-4ce1-9cb4-8202b192765d/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "AI Engine \u003c 3.6.4 - Unauthenticated Cross-Session Chatbot File Deletion via Forgeable Session Cookie",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-16953",
"datePublished": "2026-08-08T06:00:13.553Z",
"dateReserved": "2026-07-24T08:07:54.768Z",
"dateUpdated": "2026-08-08T06:00:13.553Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-16953",
"date": "2026-08-08",
"epss": "0.00136",
"percentile": "0.03488"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-16953\",\"sourceIdentifier\":\"contact@wpscan.com\",\"published\":\"2026-08-08T07:17:11.337\",\"lastModified\":\"2026-08-08T07:17:11.337\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The AI Engine WordPress plugin before 3.6.4 does not verify ownership of a guest\u0027s uploaded chatbot files before deletion, authorising the action solely by a client-supplied session cookie value, so an unauthenticated attacker who obtains a victim\u0027s session identifier and file reference can delete that victim\u0027s uploaded files.\"}],\"affected\":[{\"source\":\"contact@wpscan.com\",\"affectedData\":[{\"vendor\":\"Unknown\",\"product\":\"AI Engine\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"3.6.4\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://wpscan.com/vulnerability/8f5460a7-9764-4ce1-9cb4-8202b192765d/\",\"source\":\"contact@wpscan.com\"}]}}"
}
}
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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.
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