Security readout for executives and security teams
Plain-English summary
CVE-2026-1919 affects the Booktics WordPress booking plugin. In versions up to and including 1.0.16, some REST API endpoints lack authorization checks, allowing anyone on the internet to query data that should not be public. The reported impact is confidentiality only, with no evidence in the provided sources of active exploitation.
Executive priority
Prioritize this for sites that process bookings, customers, appointments, orders, or staff data. It is not a system takeover issue, but it may expose business or personal information. Address in the normal vulnerability cycle, faster for public-facing or data-sensitive booking sites.
Technical view
The vulnerability is CWE-306: missing authentication/authorization for critical function. Wordfence reports unauthenticated access to sensitive data through multiple Booktics REST API endpoints. The CVSS 3.1 score is 5.3: network exploitable, low complexity, no privileges or user interaction, low confidentiality impact, no integrity or availability impact.
Likely exposure
Exposure is likely limited to WordPress sites running the Booktics plugin at version 1.0.16 or earlier. Internet-facing sites are most relevant because exploitation requires only network access. The exact sensitive fields exposed are not fully detailed in the provided sources.
Exploitation context
The CVE is not listed as CISA KEV in the provided data, and no cited source states active exploitation. The issue is still practical because unauthenticated REST API access is simple to reach on public WordPress sites if the vulnerable plugin is installed.
Researcher notes
The public references point to missing capability checks in customer, team member, order, and appointment controllers, plus a WordPress Trac changeset. The bundle does not provide a confirmed fixed version number or full endpoint/data-field inventory. Avoid assuming active exploitation without additional evidence.
Mitigation direction
- Identify all WordPress sites using the Booktics plugin.
- If Booktics is version 1.0.16 or earlier, treat the site as exposed.
- Check vendor and WordPress plugin guidance for the fixed release.
- Apply the vendor-supported update when available and tested.
- If no fix is available, consider disabling Booktics temporarily.
- Limit public access to affected REST routes where operationally feasible.
Validation and detection
- Confirm installed Booktics versions across WordPress assets.
- Review web logs for unauthenticated requests to Booktics REST API routes.
- Compare installed plugin code against the referenced WordPress changeset.
- After remediation, verify unauthenticated users cannot query protected Booktics data.
- Monitor Wordfence and CVE records for updated remediation details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-1919 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c88dcf62-4b6c-4ff0-8530-5aefd54bd347?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/booktics/tags/1.0.15/core/customer/controllers/customer-controller.php#L229CVE reference
- https://plugins.trac.wordpress.org/browser/booktics/tags/1.0.15/core/team-member/controllers/team-member-controller.php#L235CVE reference
- https://plugins.trac.wordpress.org/browser/booktics/tags/1.0.15/core/order/controllers/order-controller.php#L889CVE reference
- https://plugins.trac.wordpress.org/browser/booktics/tags/1.0.15/core/appointment/controllers/appointment-controller.php#L549CVE reference
- https://plugins.trac.wordpress.org/changeset/3477898/bookticsCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.