CVE-2025-47784

6.6 MEDIUM 0.5% exploit odds Fix listed Code execution Web app

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data tampering.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2025-05-15 20:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 09:28 UTC Last updatedMost recent change to the record

Details

Published: 2025-05-15 20:16 UTC
Last modified: 2026-06-17 09:28 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Weakness: CWE-502 · Unsafe deserialization
Record status: Analyzed

Affected

Emlog < 2.5.14

Attack profile CVSS 4.0 · 6.6

Attack vector: Network
Complexity: Low
Attack requirements: None
Privileges needed: None
User interaction: None
Confidentiality: None
Integrity: High
Availability: None

Raw vector

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

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Fix and advisories

References

NVD record · CVE.org record