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CVE-2026-15282

The Instant Appointment plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'insapp_upload_image_as_attachment' function in all versions up to, and including, 1.2. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3f277f5410aff5cc19df2152076af8956e6628c35f662e6d3cfd839396ff9891
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Instant Appointment","vendor":"tenteeglobal","versions":[{"lessThanOrEqual":"1.2","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:295df839d68a5a7c02756dbbaf205ba4c593429d7ac9e28afff4917db607302d · sha256:902a4708cc5585d5… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:295df839d68a5a7c02756dbbaf205ba4c593429d7ac9e28afff4917db607302d · sha256:902a4708cc5585d5… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-434","description":"CWE-434 Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:295df839d68a5a7c02756dbbaf205ba4c593429d7ac9e28afff4917db607302d · sha256:902a4708cc5585d5… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://plugins.trac.wordpress.org/browser/instant-appointment/trunk/includes/ajax/ajax_services.php#L3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:295df839d68a5a7c02756dbbaf205ba4c593429d7ac9e28afff4917db607302d · sha256:902a4708cc5585d5… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/instant-appointment/trunk/includes/front-end/ajax/login_ajax.php#L584"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:295df839d68a5a7c02756dbbaf205ba4c593429d7ac9e28afff4917db607302d · sha256:902a4708cc5585d5… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/instant-appointment/trunk/includes/front-end/ajax/login_ajax.php#L598"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:295df839d68a5a7c02756dbbaf205ba4c593429d7ac9e28afff4917db607302d · sha256:902a4708cc5585d5… · /containers/cna/references/3
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/097b1530-64fa-45b2-85f3-c6a2311405b5?source=cve"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:295df839d68a5a7c02756dbbaf205ba4c593429d7ac9e28afff4917db607302d · sha256:902a4708cc5585d5… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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