Which products and versions are affected by CVE-2023-34747?

Affected: Ujcms versions 6.0.2. The full list is in the CVE brief.

Is CVE-2023-34747 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2023-34747 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2023-34747?

Public exploit code is available.

Is there a fix for CVE-2023-34747?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2023-34747 be patched?

Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

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WatchlistCritical

CVE-2023-34747Ujcms Unrestricted File Upload

File upload vulnerability in ujcms 6.0.2 via /api/backend/core/web-file-upload/upload.

Published Jun 14, 2023 · Updated Aug 12, 2026

Key Facts

Patch immediately

CVE-2023-34747 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Ujcms.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 20% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

20%

Higher than 97.4% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

39/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Advisories And Exploit References

advisoryhttps://www.cve.org/CVERecord?id=CVE-2023-34747
advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-34747

Description

File upload vulnerability in ujcms 6.0.2 via /api/backend/core/web-file-upload/upload.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
UjcmsUjcms	6.0.2	n/a

Timeline

Publicly disclosed
Jun 14, 2023
Last updated
Aug 12, 2026

Weakness Type

CWE-434 Unrestricted Upload of File with Dangerous Type

References

FAQ

Common Questions.

File upload vulnerability in ujcms 6.0.2 via /api/backend/core/web-file-upload/upload.
Affected: Ujcms versions 6.0.2. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Is CVE-2023-34747 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.