Cross-site scripting in Quick Event Manager WordPress Plugin
Priority HIGH 68CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The Quick Event Manager WordPress Plugin, version < 9.7.5, is affected by a reflected cross-site scripting vulnerability in the 'category' parameter of its 'qem_ajax_calendar' action.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01191 68th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Quick Event Manager WordPress Plugin: 9.7.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Quick Event Manager WordPress Plugin | before 9.7.5 | 9.7.5 | Patch available | CNA |
- Quick Event Manager WordPress Plugin Vendor— Affected before 9.7.5 Fixed in 9.7.5 Patch available CNA
Remediation
- Fix · CNA Quick Event Manager WordPress Plugin Fixed in 9.7.5
Timeline
- 2026-10-02 Threatist record created from CVE-2023-23491
- 2026-10-03 Alias added: GHSA-8vf4-cp85-x9v7
References
More Fullworks Quick Event Manager vulnerabilities
- TI-2023-09766 WordPress Quick Event Manager Plugin <= 9.7.4 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
- TI-2022-23207 WordPress Quick Event Manager Plugin <= 9.6.4 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 5.9
- TI-2023-09761 WordPress Quick Event Manager Plugin <= 9.7.4 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1MEDIUM 5.4
Sources
- CVE-2023-23491 · CVE Program
- CVE-2023-23491 · NVD
- FIRST EPSS
- GHSA-8vf4-cp85-x9v7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences