WordPress Perfmatters Plugin <= 2.1.6 is vulnerable to Cross Site Scripting (XSS)
Priority LOW 31CWE-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 · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Perfmatters allows Reflected XSS.This issue affects Perfmatters: from n/a through 2.1.6.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00412 35th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| Perfmatters | Perfmatters | up to 2.1.6 | — | No fix listed | CNA |
- Perfmatters VendorPerfmatters Affected up to 2.1.6 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:perfmatters:perfmatters:*:*:*:*:*:wordpress:*:* | up to 2.1.6 | Vulnerable | Perfmatters |
- cpe:2.3:a:perfmatters:perfmatters:*:*:*:*:*:wordpress:*:* Versions up to 2.1.6 Vulnerable ·Perfmatters
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-47876
- 2026-10-03 Alias added: GHSA-6wrg-hx4g-prww
References
More Perfmatters vulnerabilities
- TI-2023-25978 WordPress Perfmatters Plugin <= 2.1.6 is vulnerable to Broken Access Control CVSS 3.1HIGH 8.8
- TI-2023-25979 WordPress Perfmatters Plugin <= 2.1.6 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
- TI-2023-25981 WordPress Perfmatters Plugin < 2.2.0 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-47876 · CVE Program
- CVE-2023-47876 · NVD
- FIRST EPSS
- GHSA-6wrg-hx4g-prww · 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