CVE-2021-36865 (GCVE-0-2021-36865)
Vulnerability from cvelistv5 – Published: 2022-09-30 18:52 – Updated: 2026-04-28 16:07
VLAI
EPSS
VEX
Title
WordPress Quiz And Survey Master plugin <= 7.3.4 - Insecure direct object references (IDOR) vulnerability
Summary
Insecure direct object references (IDOR) vulnerability in ExpressTech Quiz And Survey Master plugin <= 7.3.4 at WordPress allows attackers to change the content of the quiz.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-20 19:22 UTC
CWE
- Insecure Direct Object References (IDOR)
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://patchstack.com/database/vulnerability/qui… | x_refsource_CONFIRM |
| https://wordpress.org/plugins/quiz-master-next/#d… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| ExpressTech | Quiz And Survey Master (WordPress plugin) |
Affected:
<= 7.3.4 , ≤ 7.3.4
(custom)
|
guessed |
Date Public
2022-09-29 00:00
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"availabilityImpact": "LOW",
"baseScore": 3.8,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Insecure Direct Object References (IDOR)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://patchstack.com/database/vulnerability/quiz-master-next/wordpress-quiz-and-survey-master-plugin-7-3-4-insecure-direct-object-references-idor-vulnerability?_s_id=cve",
"refsource": "CONFIRM",
"url": "https://patchstack.com/database/vulnerability/quiz-master-next/wordpress-quiz-and-survey-master-plugin-7-3-4-insecure-direct-object-references-idor-vulnerability?_s_id=cve"
},
{
"name": "https://wordpress.org/plugins/quiz-master-next/#developers",
"refsource": "CONFIRM",
"url": "https://wordpress.org/plugins/quiz-master-next/#developers"
}
]
},
"solution": [
{
"lang": "en",
"value": "Update to 7.3.5 or higher version."
}
],
"source": {
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
"assignerShortName": "Patchstack",
"cveId": "CVE-2021-36865",
"datePublished": "2022-09-30T18:52:41.662Z",
"dateReserved": "2021-07-19T00:00:00.000Z",
"dateUpdated": "2025-02-20T19:59:47.921Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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