How severe is CVE-2025-47784?

CVE-2025-47784 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-47784 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-47784?

CVE-2025-47784 affects Emlog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-47784?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-47784 have an EU (EUVD) identifier?

Yes. CVE-2025-47784 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28126.

When was CVE-2025-47784 published?

CVE-2025-47784 was published on 2025-05-15 and last updated on 2026-06-17.

CVE-2025-47784

CVE-2025-47784 is a critical-severity vulnerability in Emlog with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 6.6
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28126
Weakness: CWE-502
Affected product: Emlog
Published: 2025-05-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-47784?: 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.
How severe is CVE-2025-47784?: CVE-2025-47784 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-47784 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-47784?: CVE-2025-47784 affects Emlog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-47784?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-47784 have an EU (EUVD) identifier?: Yes. CVE-2025-47784 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28126.
When was CVE-2025-47784 published?: CVE-2025-47784 was published on 2025-05-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:emlog:emlog:*:*:*:*:pro:*:*:*

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