CVE-2025-47784

Emlog is an open source website building system. Versions 2.5.13 and prior have a deserialization vulnerability. A user who creates a carefully crafted nickname can cause `str_replace` to replace the value of `name_orig` with empty, causing deserialization to fail and return `false`. Commit 9643250802188b791419e3c2188577073256a8a2 fixes the issue.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/emlog/emlog/commit/9643250802188b791419e3c2188577073256a8a2	Patch
https://github.com/emlog/emlog/security/advisories/GHSA-f56g-m99v-mqc3	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:emlog:emlog:*:*:*:*:-:*:*:*

History

18 Jul 2025, 15:49

Type	Values Removed	Values Added
First Time		Emlog emlog Emlog
CPE		cpe:2.3:a:emlog:emlog:::::-:::*
References	~~() https://github.com/emlog/emlog/commit/9643250802188b791419e3c2188577073256a8a2 -~~	() https://github.com/emlog/emlog/commit/9643250802188b791419e3c2188577073256a8a2 - Patch
References	~~() https://github.com/emlog/emlog/security/advisories/GHSA-f56g-m99v-mqc3 -~~	() https://github.com/emlog/emlog/security/advisories/GHSA-f56g-m99v-mqc3 - Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8

16 May 2025, 14:42

Type	Values Removed	Values Added
Summary		(es) Emlog es un sistema de creación de sitios web de código abierto. Las versiones 2.5.13 y anteriores presentan una vulnerabilidad de deserialización. Un usuario que crea un apodo cuidadosamente diseñado puede provocar que `str_replace` reemplace el valor de `name_orig` por uno vacío, lo que provoca un error en la deserialización y devuelve `false`. El commit 9643250802188b791419e3c2188577073256a8a2 corrige el problema.

15 May 2025, 20:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-05-15 20:16

Updated : 2025-07-18 15:49

NVD link : CVE-2025-47784

Mitre link : CVE-2025-47784

CVE.ORG link : CVE-2025-47784

JSON object : View

Products Affected

emlog

emlog

CWE

CWE-502

Deserialization of Untrusted Data

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