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CVE Record

CVE-2022-4216: Chained Quiz <= 1.3.2.2 - Authenticated (Admin+) Stored Cross-Site Scripting via Facebook App ID

The Chained Quiz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'facebook_appid' parameter in versions up to, and including, 1.3.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with administrative privileges to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

MediumCVSS 5.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2022-4216 affects the Chained Quiz WordPress plugin through version 1.3.2.2. A site administrator could store malicious script through the Facebook App ID setting, causing script to run when affected pages are viewed. The risk is limited by the need for admin access, but impact can include content manipulation or browser-side data exposure.

Executive priority

Treat as a moderate-priority WordPress hygiene issue. It is not unauthenticated, but stored XSS in admin-managed plugin settings can become material after admin account compromise or insider misuse.

Technical view

The issue is stored cross-site scripting, CWE-79, in the facebook_appid parameter. The CVSS 3.1 score is 5.5 with high privileges required, network access, low complexity, changed scope, and low confidentiality and integrity impact. The source bundle identifies Chained Quiz versions up to and including 1.3.2.2 as affected.

Likely exposure

Exposure is likely limited to WordPress sites running the Chained Quiz plugin at version 1.3.2.2 or earlier. Practical risk is highest where multiple administrators exist, admin accounts are shared, or admin compromise is plausible.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. It does include a public gist reference, but that alone does not prove exploitation in the wild. Exploitation requires authenticated administrative privileges.

Researcher notes

Focus validation on sanitization and escaping of facebook_appid handling in Chained Quiz through 1.3.2.2. The evidence supports stored XSS with admin-level prerequisites; do not assume unauthenticated reachability or active exploitation from the provided bundle.

Mitigation direction

  • Inventory WordPress sites for the Chained Quiz plugin and version.
  • Upgrade Chained Quiz beyond 1.3.2.2 if a supported fixed version is available.
  • Restrict WordPress administrator access to trusted users only.
  • Review vendor and Wordfence guidance before applying compensating controls.

Validation and detection

  • Check installed plugin version across WordPress environments.
  • Review Chained Quiz settings for unexpected Facebook App ID content.
  • Review administrator account activity around plugin settings changes.
  • Confirm pages using Chained Quiz do not render unexpected scripts.
Prepared
Confidence
high
Sources
7

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-2022-4216 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
5.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/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
6Source 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
5.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.5Medium
CVSS 3.1 vector shape for CVE-2022-4216Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/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.