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Fencer Vulns
medium 6.1

CVE-2023-6389 json

WordPress Toolbar <= 2.2.6 - Open Redirect

published 2024-01-29 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58629

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
26.8%
EPSS 26.8% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known, plus a Nuclei check

Summary

The WordPress Toolbar WordPress plugin through 2.2.6 redirects to any URL via the "wptbto" parameter. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites if they can successfully trick them into performing an action.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

26.80% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template WordPress Toolbar <= 2.2.6 - Open Redirect nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/04dafc55-3a8d-4dd2-96da-7a8b100e5a81/ referenced PoC, tagged "exploit" by a source, unverified
  • magos-securitas.com https://magos-securitas.com/txt/CVE-2023-6389.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Unknown WordPress Toolbar

Classification

Weakness
  • CWE-601 URL Redirection to Untrusted Site
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.