Security readout for executives and security teams
Plain-English summary
A flaw in the WordPress WP Simple Booking Calendar plugin may let an attacker abuse a trusted browser session. The published scoring shows limited impact: low availability impact and no confidentiality or integrity impact. Treat affected WordPress sites as requiring routine remediation, not emergency response unless new exploitation evidence appears.
Executive priority
Handle through standard vulnerability management. Prioritize internet-facing WordPress sites using the plugin, but the available evidence supports moderate urgency rather than crisis response.
Technical view
CVE-2023-51525 is a CWE-352 Cross-Site Request Forgery issue affecting WP Simple Booking Calendar through version 2.0.8.4. The supplied CVSS 3.1 score is 5.3, with network attack vector, low complexity, no privileges required, unchanged scope, and low availability impact.
Likely exposure
Exposure is limited to WordPress sites running the WP Simple Booking Calendar plugin version 2.0.8.4 or earlier. The source bundle does not identify affected WordPress core versions, hosting providers, or required plugin configurations.
Exploitation context
The bundle does not report active exploitation, and the CVE is not marked in CISA KEV. No public exploit details are provided in the supplied sources. Do not assume exploitation without additional evidence from logs, threat intelligence, or vendor advisories.
Researcher notes
Evidence is sparse beyond the CVE metadata and Patchstack database entry. The sources identify CSRF and the affected version range, but they do not provide exploit status, detailed vulnerable actions, or a confirmed fixed version in the supplied bundle.
Mitigation direction
- Inventory WordPress sites for the wp-simple-booking-calendar plugin.
- Check installed plugin versions and prioritize versions 2.0.8.4 or earlier.
- Review vendor or Patchstack guidance for a fixed release or mitigation.
- Update the plugin if a vendor-supported fixed version is available.
- Disable or remove the plugin where it is not business-critical.
Validation and detection
- Confirm whether each WordPress site has the plugin installed and active.
- Record the exact installed plugin version for each site.
- Verify remediation against vendor or Patchstack guidance.
- Review administrative activity for unexpected calendar or plugin changes.
- Document residual exposure where no fixed version is confirmed.
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-352: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2023-51525 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:N/I:N/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:N/A:L3.91.4Primary 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:N/I:N/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.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.