Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in arsdehnel Simple Modal simplemodal allows Cross-Site Scripting (XSS).This issue affects Simple Modal: from n/a through <= 0.3.3.
Security readout for executives and security teams
Plain-English summary
CVE-2024-51718 affects the WordPress Simple Modal plugin through version 0.3.3. It is a reflected cross-site scripting issue, meaning a victim may need to click a crafted link for attacker-controlled script to run in their browser. The CVSS score is 7.1, rated high. No source provided confirms active exploitation.
Executive priority
Treat as a high-priority WordPress plugin exposure if Simple Modal is present, especially on public-facing sites or sites used by administrators. Business urgency is lower where the plugin is absent. Because no active exploitation is confirmed, prioritize inventory and remediation through normal high-severity patch processes.
Technical view
The CVE describes CWE-79 improper neutralization during web page generation in arsdehnel Simple Modal. Affected versions are listed as Simple Modal through 0.3.3. CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L, indicating network reachability, no authentication, required user interaction, and potential confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites with the Simple Modal plugin installed at version 0.3.3 or earlier. Sites not using this plugin are not affected based on the provided sources. The bundle does not identify affected themes, other plugins, or hosted services.
Exploitation context
The issue is reflected XSS, so exploitation generally depends on getting a user to open attacker-influenced content. The CVE is not listed as CISA KEV in the provided data, and no cited source confirms exploitation in the wild.
Researcher notes
Evidence is limited to the CVE record and Patchstack reference. The affected range is through 0.3.3, with CVSS 7.1 and CWE-79. The provided data does not name a fixed version, vulnerable parameter, proof of concept, or exploitation activity.
Mitigation direction
Inventory WordPress sites for the Simple Modal plugin and version.
If installed, check vendor or Patchstack guidance for a fixed release.
Update the plugin if a trusted fixed version is available.
Disable or remove the plugin if it is unnecessary.
Prioritize controls that reduce phishing-driven link clicks for administrators.
Validation and detection
Confirm whether Simple Modal is installed on each WordPress site.
Record the installed plugin version and compare against 0.3.3.
Review vendor or Patchstack advisories for current remediation status.
Check web logs and security tools for suspicious XSS-related alerts.
Verify remediation by confirming the plugin is updated, disabled, or removed.
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.
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.
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.