CVE-2025-47784
Emlog vulnerable to Deserialization of Untrusted Data
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Emlog vulnerable to Deserialization of Untrusted Data
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.
- Record
CVE-2025-47784- CVSS 4.0
- 6.6 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-2025-28126
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.
- Record
EUVD-2025-28126- CVSS 4.0
- 6.6 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-47784- CVSS 4.0
- 6.6 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSV
Emlog vulnerable to Deserialization of Untrusted Data
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.
- Record
CVE-2025-47784- CVSS 4.0
- 6.6 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-47784 is a medium vulnerability (CVSS 6.6) in Emlog, published May 15, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 43rd percentile. No source names a fixed version.