Is CVE-2025-39550 in the CISA KEV catalog?

No. CVE-2025-39550 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-39550?

CVE-2025-39550 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2025-39550?

CVE-2025-39550 has an EPSS score of 0.41% (32th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-39550

CRITICAL

9.8

CVSS v3

NVD

Description

Deserialization of Untrusted Data vulnerability in Shahjahan Jewel FluentCommunity fluent-community allows Object Injection.This issue affects FluentCommunity: from n/a through <= 1.2.15.

CWE-502Deserialization of Untrusted Data

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.41%probability of exploitation in 30 days

32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

https://patchstack.com/database/Wordpress/Plugin/fluent-community/vulnerability/wordpress-fluentcommunity-1-2-15-php-object-injection-vulnerability?_s_id=cve

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.