CVE-2026-8424
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk5th percentile - higher than 5% of all known CVEs
Summary
The Remove Yellow BGBOX plugin for WordPress is vulnerable to Cross-Site Request Forgery (CSRF) in all versions up to and including 1.0. Missing nonce validation on the 'rybb_api_settings' page allows unauthenticated attackers to reset plugin settings via a forged request, provided they trick a site administrator into clicking a link.
Risk Assessment
An attacker can alter plugin settings without administrator consent, potentially causing unexpected site behavior or loss of configuration data.
Recommendation
Update the plugin to the latest version that includes a CSRF fix. If unavailable, consider temporarily disabling the plugin.
Related vulnerabilities
- CVE-2026-108540Critical
A flaw has been found in OpenSpug Spug up to 3.4.0/4.0.1, impacting the File Transfer component in the /exec/transfer file. Input manipulation can lead to OS command injection. The attack can be launched remotely and the exploit has been publicly disclosed.
- CVE-2026-108707Critical
Wukong_HRM through commit 186115e contains an authentication bypass vulnerability in ParamAspect that allows unauthenticated attackers to call every HRM API endpoint by omitting the AUTH-TOKEN header. Attackers gain HR administrator access to read payslips, salary history and employee personal data, download attachments, and modify or delete company-wide HR records.
- CVE-2026-81797Critical
The WordPress theme Buzz Stone | Magazine & Viral Blog in versions up to 1.0.2 contains a PHP Object Injection vulnerability. An unauthenticated attacker can inject a malicious PHP object, potentially leading to arbitrary code execution or other severe impacts.
- CVE-2026-78535Critical
The WordPress theme Photolia in versions up to 1.0.3 contains a PHP Object Injection vulnerability. An unauthenticated attacker can inject a malicious PHP object, potentially leading to arbitrary code execution or other severe impacts.
- CVE-2026-78533Critical
The WordPress theme Qwery in versions up to 3.6.1 contains a PHP Object Injection vulnerability. An unauthenticated attacker can inject a malicious PHP object, potentially leading to arbitrary code execution or other severe impacts.
- CVE-2026-78531Critical
The WordPress theme Jacqueline in versions up to 2.22 contains a PHP Object Injection vulnerability. An unauthenticated attacker can inject a malicious PHP object, potentially leading to arbitrary code execution or other severe impacts.
- CVE-2026-78529Critical
The WordPress theme Alliance in versions up to 3.11 contains a PHP Object Injection vulnerability. An unauthenticated attacker can inject a malicious PHP object, potentially leading to arbitrary code execution or other severe impacts.
- CVE-2026-66569Critical
The WordPress theme Kicker in versions up to 2.2.1 contains a PHP Object Injection vulnerability. An unauthenticated attacker can inject a malicious PHP object, potentially leading to arbitrary code execution or other severe impacts.
- CVE-2026-66568Critical
The WordPress theme Original in versions up to 1.9.0 contains a PHP Object Injection vulnerability. An unauthenticated attacker can inject a malicious PHP object, potentially leading to arbitrary code execution or other severe impacts.
- CVE-2026-66567Critical
The WordPress theme Anesta in versions up to 1.5.3 contains a PHP Object Injection vulnerability. An unauthenticated attacker can inject a malicious PHP object, potentially leading to arbitrary code execution or other severe impacts.
Original NVD description (English source)
The Remove Yellow BGBOX plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0. This is due to missing or incorrect nonce validation on the 'rybb_api_settings' page. This makes it possible for unauthenticated attackers to reset the plugin's stored settings by overwriting its configuration via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

