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CVE-2026-16540

The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated users to retrieve the personal data of all appointments across the site and, on premium editions, to permanently delete them.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5f7619a19b664e6f9c8ebe0ecbc21f09dcba40425deb5e61ab474630a282a2cc
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-863","description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:981924b8c853992b2b3e48eb52e7bafd11e738a93fe8f5552def169b7190af0b · sha256:7ea7a6f6a0434364… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:981924b8c853992b2b3e48eb52e7bafd11e738a93fe8f5552def169b7190af0b · sha256:7ea7a6f6a0434364… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Simply Schedule Appointments","vendor":"Unknown","versions":[{"lessThan":"1.6.12.6","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:981924b8c853992b2b3e48eb52e7bafd11e738a93fe8f5552def169b7190af0b · sha256:7ea7a6f6a0434364… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:981924b8c853992b2b3e48eb52e7bafd11e738a93fe8f5552def169b7190af0b · sha256:7ea7a6f6a0434364… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-863","description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:981924b8c853992b2b3e48eb52e7bafd11e738a93fe8f5552def169b7190af0b · sha256:7ea7a6f6a0434364… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:981924b8c853992b2b3e48eb52e7bafd11e738a93fe8f5552def169b7190af0b · sha256:7ea7a6f6a0434364… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["exploit","vdb-entry","technical-description"],"url":"https://wpscan.com/vulnerability/c3829294-c388-4151-9e25-a3eac7b1f1c6/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:981924b8c853992b2b3e48eb52e7bafd11e738a93fe8f5552def169b7190af0b · sha256:7ea7a6f6a0434364… · /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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