01 Record
CVE-2026-104898
Online Scheduling and Appointment Booking System <= 28.4 - Insecure Direct Object Reference to Authenticated (Subscriber+) Privilege Escalation via 'id' and 'wp_user_id' Parameters via Query String / JSON Body
MediumPUBLISHEDCNA: Wordfence
CNA base score6.8 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
02 Description
Online Scheduling and Appointment Booking System <= 28.4 - Insecure Direct Object Reference to Authenticated (Subscriber+) Privilege Escalation via 'id' and 'wp_user_id' Parameters via Query String / JSON Body
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.24% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 15.8% of scored records. A rank, not a probability.
- NVD base score
- 6.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-13.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-10 03:26Z19 DAYS AGO
- Last updated
- 2026-10-11 16:55Z17 DAYS AGO
- Reserved
- 2026-10-02
- Assigning CNA
- Wordfence
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-639Authorization Bypass Through User-Controlled KeyBase
- Data version
- 5.2
- Document digest
- 4ceb636344f5c8f4c1eb8d986ca202dbb296c048bd5d488baae51108fa1e144a
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/1c3cfaa5-00e3-41b6-8f38-cebdd5dec180?source=cve
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/tags/28.4/backend/components/dialogs/staff/edit/Ajax.php#L111
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/tags/28.4/backend/components/dialogs/staff/edit/Ajax.php#L93
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/tags/28.4/lib/base/Request.php#L49
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/tags/28.4/lib/base/Entity.php#L172
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/tags/28.4/lib/base/Entity.php#L247
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/tags/28.4/backend/components/dialogs/staff/edit/Ajax.php#L364
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset?reponame=&new=3730881%40bookly-responsive-appointment-booking-tool%2Ftags%2F28.5&old=3722721%40bookly-responsive-appointment-booking-tool%2Ftags%2F28.4