Platform
php
Component
easy-blog-site
Fixed in
1.0.1
CVE-2026-5646 describes a SQL Injection vulnerability discovered in Easy Blog Site, specifically within the login.php file. This flaw allows attackers to potentially compromise the database by manipulating the username and password parameters. The vulnerability affects versions 1.0.0 through 1.0, and a patch is currently pending release.
Successful exploitation of CVE-2026-5646 could allow an attacker to bypass authentication and gain unauthorized access to the underlying database. This could lead to the exfiltration of sensitive data, including user credentials, personal information, and potentially even administrative privileges. Depending on the database structure and contents, an attacker could also modify or delete data, leading to data integrity issues and service disruption. The remote nature of the vulnerability means it can be exploited from anywhere with network access to the affected Easy Blog Site instance.
This vulnerability has been publicly disclosed, increasing the risk of exploitation. The availability of public information makes it more likely that attackers will actively target vulnerable instances of Easy Blog Site. The exploit's simplicity suggests a relatively low skill level is required to exploit it. No KEV listing or EPSS score is currently available.
Exploit Status
EPSS
0.01% (2% percentile)
CISA SSVC
CVSS Vector
Since a patch for CVE-2026-5646 is not yet available, immediate mitigation steps are crucial. Consider implementing a Web Application Firewall (WAF) with rules to filter potentially malicious SQL injection attempts targeting the login.php endpoint. Input validation and sanitization on the username and password fields are also essential. If possible, temporarily disable or restrict access to the login functionality until a patch is released. Monitor database logs for suspicious activity and unusual queries. After a fix is released, upgrade Easy Blog Site to the patched version and confirm by testing the login functionality with various inputs, including those known to trigger SQL injection.
Update the Easy Blog Site plugin to the latest available version, as this corrects the (SQL Injection) vulnerability in the login.php file. If an updated version is not available, consider disabling or removing the plugin until the issue is resolved.
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CVE-2026-5646 is a SQL Injection vulnerability in Easy Blog Site versions 1.0.0–1.0, allowing attackers to manipulate database queries through the login.php file.
If you are running Easy Blog Site version 1.0.0–1.0 and have not applied a patch, you are potentially vulnerable to this SQL Injection attack.
A patch is currently pending. Implement WAF rules, input validation, and monitor logs until a fix is released. Upgrade immediately upon patch availability.
The vulnerability has been publicly disclosed, increasing the likelihood of active exploitation. Monitor your systems for suspicious activity.
Refer to the official Easy Blog Site website or security mailing list for updates and advisories regarding CVE-2026-5646.
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