Security readout for executives and security teams
Plain-English summary
CVE-2023-51479 is a high-severity privilege escalation issue in the WordPress Build App Online plugin through version 1.0.19. A logged-in user could gain higher privileges, which may let them take over site administration and affect site content, data, and availability.
Executive priority
Treat as near-term remediation for any affected WordPress site, especially customer-facing sites or sites with many user accounts. The business risk is unauthorized administrative control rather than simple content defacement.
Technical view
The CVE describes CWE-269 improper privilege management in Abdul Hakeem Build App Online for WordPress through 1.0.19. The CVSS 3.1 score is 8.8, with network access, low privileges, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites with the Build App Online plugin installed at version 1.0.19 or earlier. Risk is higher where untrusted or numerous users can authenticate to WordPress.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The vulnerability is still serious because it is authenticated, low-complexity, and can affect full site security once abused.
Researcher notes
Available public data identifies the class, affected plugin, version range, CVSS vector, and Patchstack advisory, but not the vulnerable code path or exploit mechanics. Avoid assuming exploit availability, patch version, or compensating controls beyond vendor guidance.
Mitigation direction
- Inventory WordPress sites for the Build App Online plugin and version.
- Check vendor and Patchstack guidance for a fixed release or official mitigation.
- If no fixed version is available, consider disabling the plugin temporarily.
- Limit WordPress accounts to necessary users and remove unused accounts.
- Review administrative users and permissions for unexpected changes.
Validation and detection
- Confirm whether Build App Online is installed and enabled on each WordPress site.
- Record installed plugin versions and flag version 1.0.19 or earlier.
- Review recent user role changes, new admins, and plugin configuration changes.
- Check WordPress logs for unusual authenticated activity around admin functions.
- Verify whether the CVE appears in KEV before reporting active exploitation.
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-269: 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-51479 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.