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Fencer Vulns
critical 9.8

CVE-2023-5604 json

Asgaros Forum < 2.7.1 - Unauthenticated Arbitrary File Upload

published 2023-11-27 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-57897

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

The Asgaros Forum WordPress plugin before 2.7.1 allows forum administrators, who may not be WordPress (super-)administrators, to set insecure configuration that allows unauthenticated users to upload dangerous files (e.g. .php, .phtml), potentially leading to remote code execution.

Patch / fix

  • Unknown Asgaros Forum 2.7.1
  • asgaros asgaros_forum 2.71

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.96% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/4ce69d71-87bf-4d95-90f2-63d558c78b69 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Unknown Asgaros Forum
  • asgaros asgaros_forum

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code
  • CWE-434 Unrestricted Upload of File with Dangerous Type
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.