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Fencer Vulns
high 8.8

CVE-2023-49052 json

Microweber file upload vulnerability

published 2023-11-30 2 y ago modified 2026-06-17 4 mo ago also GHSA-2c7x-w3mx-h7p6 , EUVD-2023-2847

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

File Upload vulnerability in Microweber v.2.0.4 allows a remote attacker to execute arbitrary code via a crafted script to the file upload function in the created forms component.

Patch / fix

Exploit prediction

2.46% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Cyber-Wo0dy/CVE-2023-49052 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/Cyber-Wo0dy/report/blob/main/microweber/v2.0.4/microweber_unrestricted_upload referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
packagist microweber/microweber
<=2.0.4
no fix listed

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

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.