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CVE Record

CVE-2022-4213: Chained Quiz <= 1.3.2.2 - Reflected Cross-Site Scripting via dn

The Chained Quiz plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'dn' parameter on the 'chainedquiz_list' page in versions up to, and including, 1.3.2.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

MediumCVSS 6.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This issue affects the WordPress Chained Quiz plugin through version 1.3.2.2. A malicious link could cause script to run in a victim's browser if they click it. Business risk is moderate because user interaction is required, but successful abuse can affect session trust, page integrity, and user data visible in the browser.

Executive priority

Treat as a moderate web application risk. It is not listed as actively exploited in the provided evidence, but public WordPress exposure and phishing potential justify timely inventory and remediation.

Technical view

CVE-2022-4213 is reflected cross-site scripting in the Chained Quiz WordPress plugin via insufficient sanitization and output escaping of the dn parameter on the chainedquiz_list page. It is network reachable, unauthenticated, low complexity, requires user interaction, and has CVSS 3.1 score 6.1.

Likely exposure

Exposure is limited to WordPress sites running Chained Quiz versions up to and including 1.3.2.2, especially where quiz pages are publicly reachable.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. Abuse requires tricking a user into opening a crafted link, so phishing or targeted social engineering is the likely path.

Researcher notes

The evidence supports reflected XSS, CWE-79, unauthenticated reachability, and user-interaction requirement. The bundle does not provide exploit-in-the-wild evidence or a named fixed version, so remediation should be tied to official plugin guidance.

Mitigation direction

  • Inventory WordPress sites for Chained Quiz plugin usage and version.
  • Update Chained Quiz if official vendor or WordPress plugin guidance provides a fixed release.
  • Disable or remove the plugin if it cannot be updated promptly.
  • Prioritize sites with authenticated users, administrators, or customer-facing quiz workflows.
  • Monitor vendor, WordPress plugin, and Wordfence advisories for remediation details.

Validation and detection

  • Confirm whether each WordPress site runs Chained Quiz version 1.3.2.2 or earlier.
  • Review pages using chainedquiz_list for exposure to unauthenticated visitors.
  • Check web logs for unusual requests involving chainedquiz_list and the dn parameter.
  • Verify remediation by confirming the plugin is updated, disabled, or removed.
  • Document any compensating controls and remaining affected instances.
Prepared
Confidence
high
Sources
5

Public sources used

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-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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.

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cve · low confidence lookup

CVE-2022-4213 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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
6.1CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.1Medium
CVSS 3.1 vector shape for CVE-2022-4213Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
prasunsenChained Quiz0unaffected
Weakness

CWE details

CWE-79

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

CWE-79 · source CWE mapping

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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