Security readout for executives and security teams
Plain-English summary
CVE-2021-24468 is a stored cross-site scripting issue in the WordPress Leaflet Map plugin before 3.0.0. A Contributor-level user could save unsafe shortcode attributes that later run in another user's browser. The main business risk is account/session exposure or content tampering on affected WordPress sites.
Executive priority
Treat this as a targeted WordPress hygiene issue, not a confirmed emergency. Prioritize sites with many content contributors, public publishing workflows, or privileged admins viewing contributor-submitted content.
Technical view
The plugin failed to escape some shortcode attributes before inserting them into JavaScript or HTML, creating CWE-79 stored XSS. The source identifies exploitation by users with roles as low as Contributor. The supplied sources do not provide CVSS scoring or detailed patch notes beyond the before-3.0.0 boundary.
Likely exposure
Exposure is likely limited to WordPress sites running Leaflet Map versions before 3.0.0, especially sites allowing Contributor or higher users to create content containing plugin shortcodes.
Exploitation context
The bundle does not indicate known active exploitation, and CISA KEV status is false. Exploitation requires authenticated content-author capability, but stored XSS can affect later viewers of the affected page or post.
Researcher notes
Evidence is concise: the public record names stored XSS through unescaped shortcode attributes and Contributor+ reachability. No CVSS vector, exploit-in-the-wild confirmation, or detailed affected-version matrix was supplied.
Mitigation direction
- Upgrade Leaflet Map to version 3.0.0 or later where installed.
- Review vendor guidance for any additional remediation notes.
- Restrict Contributor-level content creation where plugin shortcodes are allowed.
- Remove the plugin from sites that do not require it.
Validation and detection
- Inventory WordPress sites for the Leaflet Map plugin and installed version.
- Confirm no production site runs Leaflet Map before 3.0.0.
- Review Contributor-authored posts or pages containing Leaflet Map shortcodes.
- Check security logs for unusual content edits by low-privilege users.
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-2021-24468 mapping review
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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/4b7c61da-952c-492a-8ce6-3c2126942a7cCVE 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.