What is CVE-2023-6289?

CVE-2023-6289 is a medium-severity vulnerability in Swteplugins Swift Performance, classified under CWE-287 IMPROPER AUTHENTICATION. CVSS score: 4.3/10. Published 2023-12-18.

How severe is CVE-2023-6289?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2023-6289 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Swteplugins Swift Performance

CVE-2023-6289

The Swift Performance Lite WordPress plugin before 2.3.6.15 does not prevent users from exporting the plugin's settings, which may include sensitive information such as Cloudflare API tokens.

Published 2023-12-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.8th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Swteplugins Swift Performance
Swift Performance Lite — versions 0

Public proof-of-concept exploits

References

wpscan.com/vulnerability/8c83dd57-9291-4dfc-846d-5ad47534e2ad (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-6289?: CVE-2023-6289 is a medium-severity vulnerability in Swteplugins Swift Performance, classified under CWE-287 IMPROPER AUTHENTICATION. CVSS score: 4.3/10. Published 2023-12-18.
How severe is CVE-2023-6289?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2023-6289 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.