SB2025051580 - Multiple vulnerabilities in Emlog Pro

Description

This security bulletin contains information about 3 vulnerabilities.

1) Deserialization of Untrusted Data (CVE-ID: CVE-2025-47784)

CWE-ID: CWE-502 - Deserialization of Untrusted Data

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote user to execute arbitrary code.

The vulnerability exists due to unsafe deserialization in Cache::readCache() when processing serialized cache data after removing the \"<?php exit;//\" prefix with str_replace. A remote user can supply specially crafted serialized data to execute arbitrary code.

2) Cross-site scripting (CVE-ID: CVE-2025-47786)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]

The vulnerability allows a remote attacker to execute arbitrary script code in a victim\'s browser.

The vulnerability exists due to cross-site scripting in storage handling when processing stored user-supplied content. A remote attacker can submit crafted content to execute arbitrary script code in a victim\'s browser.

3) Input validation error (CVE-ID: N/A)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper input validation in the perpage_num parameter when handling requests. A remote attacker can send a specially crafted request with a non-integer perpage_num value to cause a denial of service.

Remediation

Install update from vendor's website.

References

• https://github.com/emlog/emlog/security/advisories/GHSA-f56g-m99v-mqc3
• https://github.com/emlog/emlog/security/advisories/GHSA-82qc-9vg7-2c6c
• https://github.com/emlog/emlog/security/advisories/GHSA-v76g-cpf5-qrxm