Security readout for executives and security teams
Plain-English summary
CVE-2021-24480 is a stored cross-site scripting issue in the Event Geek WordPress plugin through version 2.5.2. An administrator-level user could save unsafe content in a plugin setting that later appears on a page. The sources do not provide a CVSS score, fixed version, or active exploitation evidence.
Executive priority
Treat as a targeted WordPress hygiene issue, not an emergency from the provided evidence. Prioritize affected internet-facing sites, sites with many admins, or sites with weak admin account controls.
Technical view
The plugin fails to sanitize or escape the "Use your own" setting before rendering it, creating an authenticated admin+ stored XSS condition. This is classified as CWE-79. Evidence names Event Geek through 2.5.2, but does not identify a vendor, patch version, or exploitation in the wild.
Likely exposure
Exposure is limited to WordPress sites running Event Geek through 2.5.2, especially where multiple administrator-level accounts exist or admin accounts may be compromised.
Exploitation context
The source bundle says exploitation requires authenticated admin-level access. CISA KEV is false, and the provided sources do not report active exploitation or public weaponization.
Researcher notes
Evidence is sparse: no CVSS vector, no fixed version, no vendor name, and no KEV listing. The key risk condition is stored XSS reachable by admin+ via a plugin setting rendered into pages.
Mitigation direction
- Inventory WordPress sites for the Event Geek plugin and installed version.
- Check vendor, WordPress plugin, or WPScan guidance for a fixed or recommended version.
- Disable or remove Event Geek where it is not required.
- Limit administrator-level WordPress access to trusted users only.
- Review administrator account security and remove unused privileged accounts.
Validation and detection
- Confirm whether Event Geek is installed on each WordPress site.
- Record the installed plugin version and compare it against through 2.5.2 exposure.
- Review plugin settings for unexpected or unauthorized changes.
- Check whether any untrusted users have administrator-level WordPress access.
- Monitor vendor or WPScan references for patch and remediation details.
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-2021-24480 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/243d417a-6fb9-4e17-9e12-a8c605f9af8aCVE 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.