How severe is CVE-2025-5397?

CVE-2025-5397 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-2025-5397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-5397?

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-2025-5397 have an EU (EUVD) identifier?

Yes. CVE-2025-5397 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37307.

When was CVE-2025-5397 published?

CVE-2025-5397 was published on 2025-10-31 and last updated on 2026-06-17.

CVE-2025-5397

CVE-2025-5397 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-288.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37307
Weakness: CWE-288
Published: 2025-10-31
Last modified: 2026-06-17

Description

The Noo JobMonster theme for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 4.8.1. This is due to the check_login() function not properly verifying a user's identity prior to successfully authenticating them This makes it possible for unauthenticated attackers to bypass standard authentication and access administrative user accounts. Please note social login needs to be enabled in order for a site to be impacted by this vulnerability.

Frequently asked questions

What is CVE-2025-5397?: The Noo JobMonster theme for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 4.8.1. This is due to the check_login() function not properly verifying a user's identity prior to successfully authenticating them This makes it possible for unauthenticated attackers to bypass standard authentication and access administrative user accounts. Please note social login needs to be enabled in order for a site to be impacted by this vulnerability.
How severe is CVE-2025-5397?: CVE-2025-5397 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-2025-5397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-5397?: 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-2025-5397 have an EU (EUVD) identifier?: Yes. CVE-2025-5397 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37307.
When was CVE-2025-5397 published?: CVE-2025-5397 was published on 2025-10-31 and last updated on 2026-06-17.

References

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