LiveActive security incident?Get immediate response
CVE Record

CVE-2025-54049: WordPress Custom API for WP <= 4.2.2 - Privilege Escalation Vulnerability

Incorrect Privilege Assignment vulnerability in miniOrange Custom API for WP custom-api-for-wp allows Privilege Escalation.This issue affects Custom API for WP: from n/a through <= 4.2.2.

CriticalCVSS 9.9Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

This is a critical privilege escalation issue in the miniOrange Custom API for WP WordPress plugin. A logged-in attacker with low privileges may gain higher access, creating risk of site takeover, data exposure, and service disruption. The provided sources identify affected versions through 4.2.2 but do not include a confirmed fixed version.

Executive priority

Prioritize affected public WordPress sites, especially those with many user accounts or open registration. The business risk is administrative compromise, content tampering, data exposure, and outage. Remediation should be handled as urgent until a fixed version or mitigation is verified.

Technical view

CVE-2025-54049 is CWE-266 incorrect privilege assignment in Custom API for WP. CVSS 3.1 is 9.9: network reachable, low complexity, low privileges required, no user interaction, changed scope, and high confidentiality, integrity, and availability impact. Source metadata lists affected status inconsistently, but the description states versions through 4.2.2 are affected.

Likely exposure

Exposure is likely limited to WordPress sites running the miniOrange Custom API for WP plugin at version 4.2.2 or earlier. The CVSS vector indicates exploitation requires an existing low-privileged account, not anonymous access.

Exploitation context

The bundle does not show CISA KEV listing, active exploitation, public exploit code, or in-the-wild attacks. Treat this as high urgency because successful exploitation could escalate privileges and compromise WordPress administration.

Researcher notes

Evidence is source-limited. The CVE record and Patchstack reference support critical severity and affected versions through 4.2.2. They do not provide exploit details, a fixed version, or confirmed exploitation in the supplied bundle. Validate using non-invasive inventory and access-control review.

Mitigation direction

  • Inventory WordPress sites for Custom API for WP installations.
  • Identify any versions at or below 4.2.2.
  • Check miniOrange and Patchstack guidance for fixed versions or official mitigations.
  • Disable the plugin where business impact allows until vendor guidance is confirmed.
  • Review low-privileged WordPress accounts and remove unnecessary access.

Validation and detection

  • Confirm plugin name, slug, and version from WordPress administration or asset inventory.
  • Check whether exposed sites allow low-privileged user registration or broad contributor access.
  • Review WordPress user-role changes after the plugin was installed or updated.
  • Monitor administrative account creation and privilege changes for anomalies.
  • Track CVE and vendor references for updated remediation details.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

CWE-266: 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 lookup
description · low confidence lookup

Privilege 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 lookup
cve · low confidence lookup

CVE-2025-54049 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
9.9CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H3.16Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.9Critical
CVSS 3.1 vector shape for CVE-2025-54049Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
miniOrangeCustom API for WPcustom-api-for-wp, 0unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-266 · source CWE mapping

Incorrect Privilege Assignment

Incorrect Privilege Assignment represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.