How severe is CVE-2025-49434?

CVE-2025-49434 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-2025-49434 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-49434?

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-2025-49434 have an EU (EUVD) identifier?

Yes. CVE-2025-49434 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28307.

When was CVE-2025-49434 published?

CVE-2025-49434 was published on 2025-08-20 and last updated on 2026-06-17.

CVE-2025-49434

CVE-2025-49434 is a critical-severity vulnerability 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)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28307
Weakness: CWE-502
Published: 2025-08-20
Last modified: 2026-06-17

Description

Deserialization of Untrusted Data vulnerability in axiomthemes Cars4Rent cars4rent allows Object Injection.This issue affects Cars4Rent: from n/a through <= 1.4.2.

Frequently asked questions

What is CVE-2025-49434?: Deserialization of Untrusted Data vulnerability in axiomthemes Cars4Rent cars4rent allows Object Injection.This issue affects Cars4Rent: from n/a through <= 1.4.2.
How severe is CVE-2025-49434?: CVE-2025-49434 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-2025-49434 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-49434?: 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-2025-49434 have an EU (EUVD) identifier?: Yes. CVE-2025-49434 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28307.
When was CVE-2025-49434 published?: CVE-2025-49434 was published on 2025-08-20 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Theme/cars4rent/vulnerability/wordpress-cars4rent-theme-1-4-2-php-object-injection-vulnerability?_s_id=cve

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