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Critical

Authentication Bypass in Noo JobMonster WordPress Theme

IdentifiersCVE-2025-5397CWE-287

CVE-2025-5397 is an authentication bypass vulnerability in the Noo JobMonster theme for WordPress affecting all versions up to and including 4.8.1. The issue is caused by the check_login() function failing to properly verify a user's identity before completing authentication. As a result, an unauthenticated attacker can bypass normal authentication controls and gain access to existing user accounts, including administrative accounts. The vulnerability is only exploitable when the theme's social login functionality is enabled.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows an unauthenticated attacker to bypass authentication and access administrative user accounts. This can result in full compromise of the affected WordPress site, including administrative control over site configuration, users, content, and potentially follow-on actions such as plugin or theme modification and broader site takeover.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, disable social login in Noo JobMonster to remove the stated exploitation prerequisite. Additionally, restrict administrative access where possible, monitor for unexpected logins or account changes, audit for newly created administrator accounts or malicious modifications, and rotate credentials for privileged users after suspected exposure.

Remediation

Patch, then assume compromise.

Update the Noo JobMonster theme to a version newer than 4.8.1 once a vendor-fixed release is available. Because the vulnerability affects all versions up to and including 4.8.1, affected installations should be treated as vulnerable until upgraded to a confirmed patched version. Administrators should also review administrative accounts and authentication logs for signs of unauthorized access.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

ACTIVITY FEED

Recent activity

10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

10 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity8

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2025-5397
NVD
nvd.nist.gov/vuln/detail/CVE-2025-5397
MITRE CWE · CWE-287
cwe.mitre.org
themeforest.net
themeforest.net/item/jobmonster-job-board-wordpress-theme/10965446
wordfence.com
wordfence.com/threat-intel/vulnerabilities/id/6fa4aa8d-d7f1-4e91-bb2c-c9f80a4bb216?source=cve