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CVE Record

CVE-2022-4033: Quiz and Survey Master <= 8.0.4 - Improper Input Validation

The Quiz and Survey Master plugin for WordPress is vulnerable to input validation bypass via the 'question[id]' parameter in versions up to, and including, 8.0.4 due to insufficient input validation that allows attackers to inject content other than the specified value (i.e. a number, file path, etc..). This makes it possible attackers to submit values other than the intended input type.

MediumCVSS 5.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2022-4033 affects the Quiz and Survey Master WordPress plugin through version 8.0.4. A remote unauthenticated attacker could submit unexpected data where the plugin expected a constrained value, potentially altering submitted content. The documented impact is limited to integrity; confidentiality and availability impacts are not identified in the source bundle.

Executive priority

Prioritize routine remediation for internet-facing WordPress sites using this plugin. The issue is not critical based on cited impact, but unauthenticated reachability and public disclosure justify timely patch verification.

Technical view

The issue is improper input validation, CWE-20, in the question[id] parameter. The CVSS 3.1 score is 5.3 with network access, low complexity, no privileges, and no user interaction required. Sources describe input type bypass rather than code execution, data theft, or service disruption.

Likely exposure

Exposure is likely limited to WordPress sites running Quiz and Survey Master at version 8.0.4 or earlier. Public-facing quiz or survey forms increase relevance because the attack vector is network-accessible and unauthenticated.

Exploitation context

The source bundle does not show CISA KEV listing or other evidence of active exploitation. Treat it as publicly disclosed and remotely reachable, but do not claim exploitation in the wild from the provided evidence.

Researcher notes

Evidence supports an input validation bypass in question[id] with low integrity impact. The bundle does not establish broader impact, active exploitation, or a named fixed version. Validate against vendor changelog or WordPress plugin metadata before closing findings.

Mitigation direction

  • Inventory WordPress sites for Quiz and Survey Master installations.
  • Check vendor or WordPress plugin guidance for the fixed release.
  • Upgrade vulnerable installations when an updated version is available.
  • Disable the plugin where it is unnecessary until remediated.
  • Review web application controls for unexpected form submission values.

Validation and detection

  • Confirm installed plugin versions are later than 8.0.4 or otherwise vendor-declared safe.
  • Identify exposed pages using Quiz and Survey Master forms.
  • Review logs for abnormal quiz or survey submissions around disclosure dates.
  • Verify remediation through plugin inventory and WordPress admin records.
Prepared
Confidence
high
Sources
5

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-20: 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
cve · low confidence lookup

CVE-2022-4033 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:N/I:L/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
4Source 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:N/I:L/A:N3.91.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.3Medium
CVSS 3.1 vector shape for CVE-2022-4033Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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
expresstechQuiz and Survey Master (QSM) – Easy Quiz and Survey Maker0unaffected
Weakness

CWE details

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

CWE-20 · source CWE mapping

Improper Input Validation

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