WordPress perfmatters plugin <= 2.6.4 - Cross Site Scripting (XSS) vulnerability
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
Unauthenticated Cross Site Scripting (XSS) in perfmatters <= 2.6.4 versions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00251 16th 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 2.6.4 | — | No fix listed | CNA |
- perfmatters VendorPerfmatters Affected up to 2.6.4 Fixed in — No fix listed CNA
CPE names Threatist (inferred) · 1
Inferred from how NVD named this product before; not given by a source.
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:perfmatters:perfmatters:*:*:*:*:*:*:*:* | — | — | Perfmatters |
- cpe:2.3:a:perfmatters:perfmatters:*:*:*:*:*:*:*:* Versions — — ·Perfmatters
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-57671
- 2026-10-03 Alias added: GHSA-6fv7-2mhh-75mr
More Perfmatters vulnerabilities
- TI-2026-11255 Perfmatters <= 2.6.4 - Unauthenticated Arbitrary File Read via 's' Parameter CVSS 3.1HIGH 7.5
- TI-2023-25978 WordPress Perfmatters Plugin <= 2.1.6 is vulnerable to Broken Access Control CVSS 3.1HIGH 8.8
- TI-2026-03786 Perfmatters <= 2.5.9.1 - Authenticated (Subscriber+) Arbitrary File Deletion via 'delete' Parameter CVSS 3.1HIGH 8.1
- TI-2023-25979 WordPress Perfmatters Plugin <= 2.1.6 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
- TI-2026-03787 Perfmatters <= 2.5.9 - Authenticated (Subscriber+) Arbitrary File Overwrite via 'snippets' Parameter CVSS 3.1HIGH 8.1
- TI-2023-25980 WordPress Perfmatters Plugin <= 2.1.6 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
Sources
- CVE-2026-57671 · CVE Program
- CVE-2026-57671 · NVD
- FIRST EPSS
- GHSA-6fv7-2mhh-75mr · 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