Security readout for executives and security teams
Plain-English summary
Webba Booking for WordPress has a broken access control issue through version 5.1.20. An unauthenticated remote attacker may be able to perform actions that should require authorization, causing limited data integrity or availability impact. The source bundle does not show confidentiality impact or confirmed exploitation.
Executive priority
Prioritize remediation for internet-facing WordPress sites using Webba Booking, especially where booking integrity affects operations or customer trust. This is a moderate issue, not currently supported as actively exploited by the provided sources, but it is remotely reachable without authentication per CVSS.
Technical view
CVE-2025-54040 is a CWE-862 missing authorization vulnerability in the webba-booking-lite WordPress plugin. CVSS 3.1 is 6.5: network reachable, low complexity, no privileges, no user interaction, unchanged scope, no confidentiality impact, low integrity impact, and low availability impact.
Likely exposure
Exposure is most likely on WordPress sites with Webba Booking webba-booking-lite installed and enabled at version 5.1.20 or earlier. Publicly reachable booking functionality increases practical risk, but the provided sources do not identify specific vulnerable endpoints.
Exploitation context
The CVE is not listed as KEV in the source bundle. No provided source states active exploitation, public exploit availability, or in-the-wild abuse. Risk still matters because the CVSS vector describes unauthenticated network access with low attack complexity.
Researcher notes
The source bundle has a clear affected range in the description, but the structured affected entry is sparse and lists version "0" with defaultStatus "unaffected." Validate against the CVE record and Patchstack entry before making broad asset assertions.
Mitigation direction
- Inventory WordPress sites for webba-booking-lite installations and versions.
- Treat Webba Booking versions through 5.1.20 as affected.
- Check Webba Booking and Patchstack guidance for a fixed release or vendor mitigation.
- Disable or restrict affected booking functionality if exposure cannot be promptly resolved.
- Monitor WordPress, WAF, and application logs for unauthorized booking-related activity.
Validation and detection
- Confirm whether each WordPress site uses Webba Booking webba-booking-lite.
- Record plugin versions and flag any version at or below 5.1.20.
- Review vendor and Patchstack advisories for current remediation status.
- Check whether booking features are publicly reachable without authentication.
- Look for unexpected booking changes, failures, or administrative actions in logs.
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-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2025-54040 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
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:N/I:L/A:L3.92.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source materials
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 Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.