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Fencer Vulns
medium 5.4

CVE-2023-27292 json

An open redirect vulnerability exposes OpenCATS to template injection due to improper validation of user-supplied GET parameters.

published 2023-02-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-31070

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known, plus a Nuclei check

Summary

An open redirect vulnerability exposes OpenCATS to template injection due to improper validation of user-supplied GET parameters.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
19 mo ago

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template OpenCATS - Open Redirect nuclei detection template
  • tenable.com https://www.tenable.com/security/research/tra-2023-8 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

  • n/a OpenCATS

Classification

Weakness
  • CWE-601 URL Redirection to Untrusted Site

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.