CVE-2026-18777 (GCVE-0-2026-18777)
Vulnerability from cvelistv5
Published
2026-08-19 06:00
Modified
2026-08-19 16:19
Severity ?
VLAI Severity ?
EPSS score ?
Summary
The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to change the status of arbitrary appointments, as well as to trigger notification emails to the affected customers.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Unknown | TrueBooker |
Version: 0 ≤ |
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"containers": {
"adp": [
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"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-18777",
"options": [
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},
{
"Automatable": "yes"
},
{
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],
"role": "CISA Coordinator",
"timestamp": "2026-08-19T16:00:59.889712Z",
"version": "2.0.3"
},
"type": "ssvc"
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],
"problemTypes": [
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"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862 Missing Authorization",
"lang": "en",
"type": "CWE"
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],
"providerMetadata": {
"dateUpdated": "2026-08-19T16:19:52.793Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "TrueBooker",
"vendor": "Unknown",
"versions": [
{
"lessThan": "1.2.7",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Mokksh Parekh"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to change the status of arbitrary appointments, as well as to trigger notification emails to the affected customers."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-862 Missing Authorization",
"lang": "en",
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]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-19T06:00:19.779Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
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"tags": [
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"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/05a09ba7-b781-4462-8c50-3a45f2757cb2/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "TrueBooker Appointment Booking \u003c 1.2.7 - Unauthenticated Arbitrary Appointment Status Change via update_appointment_status",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
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"assignerShortName": "WPScan",
"cveId": "CVE-2026-18777",
"datePublished": "2026-08-19T06:00:19.779Z",
"dateReserved": "2026-08-04T07:43:32.666Z",
"dateUpdated": "2026-08-19T16:19:52.793Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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