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CVE-2025-47784: Emlog vulnerable to Deserialization of Untrusted Data

6.6 CVSS

Description

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.

Classification

CVE ID: CVE-2025-47784

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.6

CVSS 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

Problem Types

CWE-502: Deserialization of Untrusted Data

Affected Products

Vendor: emlog

Product: emlog

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 16.83% (scored less or equal to compared to others)

EPSS Date: 2025-06-13 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-47784
https://github.com/emlog/emlog/security/advisories/GHSA-f56g-m99v-mqc3
https://github.com/emlog/emlog/commit/9643250802188b791419e3c2188577073256a8a2

Timeline