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CVE Record

CVE-2023-24001: WordPress Modal Dialog Plugin <= 3.5.9 is vulnerable to Cross Site Scripting (XSS)

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Yannick Lefebvre Modal Dialog plugin <= 3.5.9 versions.

MediumCVSS 5.9Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-24001 is a stored XSS issue in the WordPress Modal Dialog plugin up to 3.5.9. An admin-level user could save unsafe content that later runs in a visitor’s browser. Risk is most relevant where admin accounts are shared, weakly protected, or already compromised.

Executive priority

Treat as a moderate-priority WordPress hygiene issue. Prioritize sites with many administrators, weak admin controls, or external content management workflows. It is not currently supported as actively exploited by the provided sources.

Technical view

The CVE records an authenticated admin+ stored cross-site scripting vulnerability in Yannick Lefebvre Modal Dialog for WordPress, affecting versions <= 3.5.9. It is mapped to CWE-79 with CVSS 3.1 score 5.9: network reachable, low complexity, high privileges required, user interaction required, and changed scope.

Likely exposure

Exposure is limited to WordPress sites using the Modal Dialog plugin at version 3.5.9 or earlier. The source bundle does not identify affected CPEs or confirm broader product impact.

Exploitation context

The source bundle does not show CISA KEV listing or public active exploitation evidence. Exploitation requires admin-level access and user interaction, which lowers broad internet risk but matters if administrator accounts are compromised.

Researcher notes

Evidence is concise: CVE and Patchstack identify authenticated admin+ stored XSS in Modal Dialog <= 3.5.9. No exploit details, fixed version, or KEV evidence are provided in the bundle, so validation should stay focused on presence, version, and vendor guidance.

Mitigation direction

  • Inventory WordPress sites for the Modal Dialog plugin and installed version.
  • Check vendor or plugin repository guidance for a maintained fixed release.
  • Disable or remove the plugin if no trusted fix is available.
  • Limit WordPress admin access to trusted, MFA-protected accounts.
  • Review stored modal content for unexpected scripts or unsafe markup.

Validation and detection

  • Confirm whether Modal Dialog is installed on each WordPress site.
  • Record plugin versions and flag anything at or below 3.5.9.
  • Review administrator account list for unnecessary or shared privileged users.
  • Inspect modal dialog configuration content for suspicious browser-executed code.
  • Confirm remediation against vendor or Patchstack guidance before closure.
Prepared
Confidence
high
Sources
3

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-2023-24001 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
5.9 (3.1)
Known Exploited
No
Published

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

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
2Source 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
5.9CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L1.73.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.9Medium
CVSS 3.1 vector shape for CVE-2023-24001Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
Yannick LefebvreModal Dialogmodal-dialog, n/aunaffected
Weakness

CWE details

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.