FKIE_CVE-2026-13422
Vulnerability from fkie_nvd - Published: 2026-06-27 02:16 - Updated: 2026-06-27 02:16
Severity
Summary
The HD Quiz plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions 2.2.0 to 2.2.1. This is due to missing or incorrect nonce validation on the hdq_validate_nonce function. This makes it possible for unauthenticated attackers to delete or modify quizzes and questions, create new quizzes, and change plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "HD Quiz",
"vendor": "harmonic_design",
"versions": [
{
"lessThanOrEqual": "2.2.1",
"status": "affected",
"version": "2.2.0",
"versionType": "semver"
}
]
}
],
"source": "security@wordfence.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The HD Quiz plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions 2.2.0 to 2.2.1. This is due to missing or incorrect nonce validation on the hdq_validate_nonce function. This makes it possible for unauthenticated attackers to delete or modify quizzes and questions, create new quizzes, and change plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link."
}
],
"id": "CVE-2026-13422",
"lastModified": "2026-06-27T02:16:29.237",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4,
"source": "security@wordfence.com",
"type": "Primary"
}
]
},
"published": "2026-06-27T02:16:29.237",
"references": [
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L155"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L179"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L53"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L68"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L7"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L87"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/functions.php#L39"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L155"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L179"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L53"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L68"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L7"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L87"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/functions.php#L39"
},
{
"source": "security@wordfence.com",
"url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.2/includes/functions.php#L40"
},
{
"source": "security@wordfence.com",
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/c886ce5a-0633-4892-9471-c1a7ee858c93?source=cve"
}
],
"sourceIdentifier": "security@wordfence.com",
"vulnStatus": "Received",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-352"
}
],
"source": "security@wordfence.com",
"type": "Primary"
}
]
}
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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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