Security readout for executives and security teams
Plain-English summary
This vulnerability affects the WordPress Spectra Gutenberg Blocks plugin through version 2.3.0. It can allow Captcha protections to be bypassed, weakening defenses against automated abuse. The rated impact is medium because sources describe limited integrity impact, not data theft or service outage.
Executive priority
Treat as a moderate WordPress exposure. Prioritize if Spectra protects public forms or business workflows, but there is no source-supported evidence of active exploitation in the provided bundle.
Technical view
CVE-2023-23730 is a CWE-307 improper restriction of excessive authentication attempts issue in Brainstorm Force Spectra, package ultimate-addons-for-gutenberg. CVSS 3.1 is 5.3 with network attack vector, low complexity, no privileges, no user interaction, and low integrity impact.
Likely exposure
Exposure is likely limited to WordPress sites running Spectra at version 2.3.0 or earlier, especially where affected plugin functionality relies on Captcha for abuse prevention.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The weakness is remotely reachable and unauthenticated by CVSS, but the bundle does not provide exploit details or observed abuse evidence.
Researcher notes
Evidence is limited to CVE metadata and Patchstack reference details. The bundle identifies affected versions through 2.3.0 and Captcha bypass behavior, but does not include root-cause detail, exploit preconditions beyond CVSS, or a named fixed version.
Mitigation direction
- Inventory WordPress sites using Spectra or ultimate-addons-for-gutenberg.
- Check whether installed Spectra versions are 2.3.0 or earlier.
- Follow Brainstorm Force or Patchstack guidance for updates or mitigations.
- Prioritize public workflows that depend on Captcha protections.
- Review logs for unusual automated submissions or integrity-impacting activity.
Validation and detection
- Confirm plugin presence and exact version on each WordPress site.
- Map exposed pages or workflows using Spectra Captcha functionality.
- Verify remediation status against vendor or Patchstack advisory guidance.
- Review web and application logs for suspicious repeated attempts.
- Document sites confirmed unaffected or remediated.
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-307: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2023-23730 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:L/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:N/I:L/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:N/I:L/A:N
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.
Improper Restriction of Excessive Authentication Attempts
Improper Restriction of Excessive Authentication Attempts represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.