Security readout for executives and security teams
Plain-English summary
CVE-2015-9300 concerns multiple cross-site scripting issues in the WordPress Events Manager plugin before version 5.5.7. For a business, the main concern is malicious script execution in a trusted website context. The public record does not provide CVSS, affected parameters, or confirmed exploitation.
Executive priority
Treat this as a targeted WordPress plugin hygiene issue, not an emergency based on available evidence. Prioritize remediation where Events Manager is public-facing, business-critical, or accessible by untrusted users.
Technical view
The CVE describes multiple XSS vulnerabilities in the Events Manager WordPress plugin before 5.5.7. Available sources do not identify specific vectors, required privileges, affected inputs, or patch mechanics beyond the version boundary. It is not listed as CISA KEV in the provided bundle.
Likely exposure
Exposure is most likely on WordPress sites with the Events Manager plugin installed below version 5.5.7. The source bundle does not identify affected CPEs or exact vulnerable components, so asset inventory and plugin version checks are necessary.
Exploitation context
No active exploitation is supported by the provided sources. XSS risk generally depends on where untrusted content is accepted and who views it, but the bundle does not state whether exploitation is stored, reflected, authenticated, or unauthenticated.
Researcher notes
The public bundle is sparse: no CVSS, CWE, vulnerable parameters, exploit preconditions, or PoC reference are provided. Analysis should stay anchored to the version boundary and vendor changelog until more technical evidence is available.
Mitigation direction
- Inventory WordPress sites using the Events Manager plugin.
- Upgrade Events Manager to version 5.5.7 or later where applicable.
- Check the vendor plugin page for current guidance and latest release notes.
- Prioritize public-facing WordPress sites and administrative workflows.
- Review security controls for script injection detection.
Validation and detection
- Confirm installed Events Manager versions on all WordPress assets.
- Verify no production site runs a version below 5.5.7.
- Review plugin changelog around 5.5.7 for XSS-related fixes.
- Check recent site content for unexpected scripts or suspicious event entries.
- Confirm vulnerability scanners recognize the plugin version accurately.
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.
CVE-2015-9300 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://wordpress.org/plugins/events-manager/#developersCVE 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.