LiveActive security incident?Get immediate response
CVE Record

CVE-2022-4210: Chained Quiz <= 1.3.2 - Reflected Cross-Site Scripting via dnf

The Chained Quiz plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'dnf' parameter on the 'chainedquiz_list' page in versions up to, and including, 1.3.2 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
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

A WordPress quiz plugin can reflect attacker-controlled script into a page when a victim follows a crafted link. This is not server takeover by itself, but it can expose user sessions or alter page content in the victim's browser.

Executive priority

Handle during normal vulnerability remediation unless the plugin is internet-facing on high-value sites or used by administrators. The main business risk is browser-side compromise after a user clicks a malicious link.

Technical view

CVE-2022-4210 is reflected XSS in Chained Quiz up to and including 1.3.2. The issue is insufficient sanitization and output escaping of the dnf parameter on the chainedquiz_list page. It is remotely reachable, unauthenticated, and requires user interaction.

Likely exposure

Exposure is limited to WordPress sites running the Chained Quiz plugin version 1.3.2 or earlier with reachable affected pages. Sites not using this plugin are not exposed based on the provided sources.

Exploitation context

No provided source or KEV status supports active exploitation. The CVSS vector shows network access, low attack complexity, no privileges, and required user interaction. A public Gist is referenced, so exploitability appears documented, but in-the-wild activity is not established.

Researcher notes

Evidence supports CWE-79 reflected XSS, not stored XSS or remote code execution. The affected parameter and page are named, but the provided bundle does not explicitly name a fixed version. Avoid claiming active exploitation without additional evidence.

Mitigation direction

  • Identify WordPress sites using Chained Quiz.
  • Check installed plugin version; prioritize 1.3.2 or earlier.
  • Review Wordfence and WordPress plugin guidance for a corrected release.
  • Update, disable, or remove the plugin until remediation is verified.
  • Limit admin exposure to suspicious links targeting affected pages.

Validation and detection

  • Inventory WordPress plugins across managed sites.
  • Confirm whether Chained Quiz is installed and active.
  • Record the exact plugin version from WordPress administration or asset inventory.
  • Review logs for unusual requests to chainedquiz_list with dnf parameters.
  • Verify remediation against vendor or WordPress repository guidance.
Prepared
Confidence
high
Sources
6

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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2022-4210 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
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
5Source 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-2022-4210Attack 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
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
prasunsenChained Quiz0unaffected
Weakness

CWE details

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