LiveActive security incident?Get immediate response
CVE Record

CVE-2026-24544: WordPress HD Quiz plugin <= 2.0.9 - Broken Access Control vulnerability

Missing Authorization vulnerability in Harmonic Design HD Quiz hd-quiz allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects HD Quiz: from n/a through <= 2.0.9.

MediumCVSS 4.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2026-24544 affects the WordPress HD Quiz plugin through version 2.0.9. It is a broken access control issue that may let a logged-in user access data they should not see. The reported impact is limited confidentiality loss, not site takeover or service disruption.

Executive priority

Treat as a moderate-priority WordPress plugin issue. It is most urgent for sites with many untrusted logged-in users. Patch or mitigate during the next normal security maintenance cycle unless the affected site handles sensitive quiz or user data.

Technical view

The issue is CWE-862, Missing Authorization, in Harmonic Design HD Quiz package hd-quiz. CVSS 3.1 is 4.3: network reachable, low complexity, low privileges required, no user interaction, unchanged scope, low confidentiality impact, no integrity or availability impact.

Likely exposure

Exposure is limited to WordPress sites running the HD Quiz plugin at version 2.0.9 or earlier. The CVE data does not identify unauthenticated exposure; the CVSS vector requires low privileges.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation. Exploitation would require an authenticated low-privilege user, based on the CVSS vector. Public sources provided do not include exploit details.

Researcher notes

Evidence is limited to CVE metadata and a Patchstack database entry. The bundle does not provide endpoint names, proof-of-concept details, affected roles, or fixed version. Avoid assuming unauthenticated impact or broader data exposure without vendor confirmation.

Mitigation direction

  • Inventory WordPress sites for the HD Quiz plugin and version.
  • Prioritize sites allowing untrusted or self-registered users to log in.
  • Check Patchstack, the plugin vendor, or WordPress plugin repository for fixed-version guidance.
  • If no fix is available, consider disabling the plugin where risk is unacceptable.
  • Restrict low-privilege account creation and review existing user roles.

Validation and detection

  • Confirm whether HD Quiz is installed on each WordPress site.
  • Record installed plugin versions and flag version 2.0.9 or earlier.
  • Review whether public registration or untrusted contributor accounts are enabled.
  • Monitor vendor advisories for a patched version or workaround.
  • Check access logs for unusual authenticated requests involving quiz plugin functions.
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 · medium confidence lookup

CWE-862: 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 lookup
cve · low confidence lookup

CVE-2026-24544 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
4.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/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
4.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.3Medium
CVSS 3.1 vector shape for CVE-2026-24544Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/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
Harmonic DesignHD Quizhd-quiz, 0unaffected
Weakness

CWE details

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

CWE-862 · source CWE mapping

Missing Authorization

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