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CVE-2026-52838

Easy!Appointments is a self hosted appointment scheduler. Versions prior to 1.6.0 allow administrators to define a custom "booking disabled" message through the booking settings page. That value is stored in the `disable_booking_message` setting via a rich-text editor and later passed directly to the public `booking_message` view without escaping or sanitization. An authenticated administrator can store HTML or JavaScript in this field, enable disabled-booking mode, and trigger stored XSS in eve
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cd6c8f175c02d26ac711fd21b358158347f07f32751d04231dcefcf56ba385f8
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"easyappointments","vendor":"alextselegidis","versions":[{"status":"affected","version":"< 1.6.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bff5cb9fd2ac2089e82d9d3f3b074834d6f01bba812f7aa3279706c07797eb9d · sha256:a7e8c2939e3ccc24… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":2.6,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bff5cb9fd2ac2089e82d9d3f3b074834d6f01bba812f7aa3279706c07797eb9d · sha256:a7e8c2939e3ccc24… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bff5cb9fd2ac2089e82d9d3f3b074834d6f01bba812f7aa3279706c07797eb9d · sha256:a7e8c2939e3ccc24… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/alextselegidis/easyappointments/commit/629a0415f54f75556c17f4f5d9c77fda1fdbdeae","tags":["x_refsource_MISC"],"url":"https://github.com/alextselegidis/easyappointments/commit/629a0415f54f75556c17f4f5d9c77fda1fdbdeae"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bff5cb9fd2ac2089e82d9d3f3b074834d6f01bba812f7aa3279706c07797eb9d · sha256:a7e8c2939e3ccc24… · /containers/cna/references/1
{"name":"https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-996f-334j-67g7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-996f-334j-67g7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bff5cb9fd2ac2089e82d9d3f3b074834d6f01bba812f7aa3279706c07797eb9d · sha256:a7e8c2939e3ccc24… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-996f-334j-67g7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bff5cb9fd2ac2089e82d9d3f3b074834d6f01bba812f7aa3279706c07797eb9d · sha256:a7e8c2939e3ccc24… · /containers/adp/0/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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