LiveActive security incident?Get immediate response
CVE Record

CVE-2026-24634: WordPress Ultimate Reviews plugin <= 3.2.16 - Insecure Direct Object References (IDOR) vulnerability

Authorization Bypass Through User-Controlled Key vulnerability in Rustaurius Ultimate Reviews ultimate-reviews allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ultimate Reviews: from n/a through <= 3.2.16.

MediumCVSS 5.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2026-24634 affects the WordPress Ultimate Reviews plugin through version 3.2.16. The flaw is an IDOR authorization bypass, meaning an unauthenticated attacker may access data by manipulating a user-controlled identifier. Public sources rate it medium severity, with limited confidentiality impact and no integrity or availability impact stated.

Executive priority

Handle as a normal-priority WordPress plugin remediation item. It does not currently justify emergency response based on provided evidence, but internet-facing WordPress sites using the plugin should be identified and remediated promptly once official guidance is available.

Technical view

The issue is CWE-639, Authorization Bypass Through User-Controlled Key, in Rustaurius Ultimate Reviews. CVSS 3.1 is 5.3: network exploitable, low complexity, no privileges, no user interaction, unchanged scope, low confidentiality impact. Sources identify affected versions as Ultimate Reviews <= 3.2.16.

Likely exposure

Exposure is limited to WordPress sites with the Ultimate Reviews plugin installed at version 3.2.16 or earlier. Sites not using this plugin are not indicated as affected by the provided sources.

Exploitation context

The provided bundle does not show CISA KEV listing or cite active exploitation. Public details are limited to vulnerability classification and severity. Treat this as a plausible remote information-exposure risk until vendor or Patchstack guidance is reviewed.

Researcher notes

The public record names an IDOR/incorrect access-control issue but does not provide endpoint details, exploit procedure, or a named patched version in the supplied sources. Avoid assuming data types exposed beyond the stated low confidentiality impact.

Mitigation direction

  • Inventory WordPress sites for the ultimate-reviews plugin.
  • Identify any installations at version 3.2.16 or earlier.
  • Check vendor and Patchstack guidance for a fixed version or official workaround.
  • Disable or remove the plugin where it is not business-critical.
  • Limit plugin access and review WordPress hardening controls where feasible.

Validation and detection

  • Confirm plugin slug and version from WordPress administrative inventory.
  • Compare installed versions against affected range: <= 3.2.16.
  • Review logs for unusual unauthenticated access to review-related endpoints.
  • Monitor CVE and Patchstack pages for updated remediation details.
  • Document affected sites, owners, and remediation status.
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-639: 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-2026-24634 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
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:L/I:N/A:N

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
5.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.3Medium
CVSS 3.1 vector shape for CVE-2026-24634Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
RustauriusUltimate Reviewsultimate-reviews, 0unaffected
Weakness

CWE details

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

CWE-639 · source CWE mapping

Authorization Bypass Through User-Controlled Key

Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.