Emlog up to 2.5.13 Nickname str_replace deserialization

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Emlog up to 2.5.13. This vulnerability affects the function str_replace of the component Nickname Handler. Executing a manipulation can lead to deserialization. This vulnerability is handled as CVE-2025-47784. The attack can be executed remotely. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability has been found in Emlog up to 2.5.13 and classified as problematic. This vulnerability affects the function str_replace of the component Nickname Handler. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect integrity. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-47784 since 05/09/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

Applying the patch 9643250802188b791419e3c2188577073256a8a2 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 9643250802188b791419e3c2188577073256a8a2

Timelineinfo

05/09/2025 🔍
05/16/2025 +7 days 🔍
05/16/2025 +0 days 🔍
07/18/2025 +63 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-f56g-m99v-mqc3
Status: Confirmed

CVE: CVE-2025-47784 (🔍)
GCVE (CVE): GCVE-0-2025-47784
GCVE (VulDB): GCVE-100-309136

Entryinfo

Created: 05/16/2025 07:49
Updated: 07/18/2025 23:00
Changes: 05/16/2025 07:49 (69), 07/18/2025 23:00 (13)
Complete: 🔍
Cache ID: 216::103

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