Security readout for executives and security teams
Plain-English summary
CVE-2021-24519 is a stored XSS issue in the VikRentCar WordPress plugin before 1.1.10. A high-privilege user, such as an administrator, could save unsafe script content in a Characteristic field. This reduces urgency compared with unauthenticated flaws, but it can still affect trusted admin workflows and pages that render the stored field.
Executive priority
Treat this as a moderate-priority hygiene fix unless the affected site has untrusted administrators or shared operational accounts. Patch during the next normal WordPress maintenance window and verify privileged access controls.
Technical view
The plugin failed to sanitize the "Text Next to Icon" field when adding or editing a Characteristic. The issue is classified as CWE-79 and is authenticated stored XSS. The public bundle does not provide CVSS data, exploit code, or detailed impact beyond the stored script execution condition.
Likely exposure
Exposure is likely limited to WordPress installations using VikRentCar before 1.1.10. The attacker needs high privileges, reportedly admin-level access. Risk increases if multiple administrators or delegated site managers can edit Characteristics.
Exploitation context
The source bundle does not indicate active exploitation, and the CVE is not listed as KEV. Available evidence describes an authenticated stored XSS condition, not unauthenticated compromise or remote code execution.
Researcher notes
The key uncertainty is limited public detail: no CVSS vector, no exploit status, and no broader product impact are provided. Validate only the documented field and version condition; do not assume other VikRentCar fields or products are affected.
Mitigation direction
- Upgrade VikRentCar to version 1.1.10 or later where available.
- Review vendor or WPScan guidance for any additional remediation notes.
- Restrict administrator access to trusted users only.
- Audit stored Characteristic values for unexpected script-like content.
Validation and detection
- Inventory WordPress sites using the VikRentCar plugin.
- Confirm installed VikRentCar versions are 1.1.10 or later.
- Review who can add or edit VikRentCar Characteristics.
- Inspect the "Text Next to Icon" field for unsafe saved content.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-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 lookupCVE-2021-24519 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://wpscan.com/vulnerability/368828f9-fdd1-4a82-8658-20e0f4c4da0cCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
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.