Platform
php
Component
simple-laundry-system
Fixed in
1.0.1
CVE-2026-5540 describes a SQL Injection vulnerability discovered in Simple Laundry System, version 1.0.0 through 1.0.0. This flaw allows attackers to inject malicious SQL code through the firstName parameter within the /modifymember.php file, potentially leading to unauthorized data access or modification. The vulnerability has been publicly disclosed and a proof-of-concept may be available, requiring immediate attention to mitigate potential risks. A patched version is required to resolve this issue.
Successful exploitation of CVE-2026-5540 allows an attacker to inject arbitrary SQL queries into the Simple Laundry System database. This can lead to a wide range of consequences, including unauthorized access to sensitive user data (usernames, passwords, personal information), modification of database records (altering user roles, manipulating laundry schedules), and even complete database takeover. The remote nature of the vulnerability means an attacker does not need to be on the same network as the system to exploit it. Given the potential for data breaches and system compromise, this vulnerability poses a significant risk to organizations using Simple Laundry System.
CVE-2026-5540 was publicly disclosed on 2026-04-05. A proof-of-concept exploit is known to exist, increasing the likelihood of active exploitation. The vulnerability is not currently listed on CISA KEV, but its public disclosure and availability of a PoC warrant close monitoring. The ease of exploitation, combined with the potential impact, makes this a high-priority vulnerability to address.
Exploit Status
EPSS
0.04% (12% percentile)
CISA SSVC
CVSS Vector
The primary mitigation for CVE-2026-5540 is to upgrade to a patched version of Simple Laundry System. Since a fixed version is not specified in the provided data, consider reverting to a previous known-good version if upgrading causes instability. As a temporary workaround, implement strict input validation on the firstName parameter in /modifymember.php to sanitize user input and prevent SQL injection attempts. Web application firewalls (WAFs) can be configured with rules to detect and block SQL injection payloads targeting this endpoint. Monitor application logs for suspicious SQL queries or error messages related to database access.
Update the Simple Laundry System to a patched version. Check the vendor's official sources for specific update or patch instructions. As a preventative measure, implement input validation and sanitization in all SQL queries to prevent future (SQL Injection) vulnerabilities.
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CVE-2026-5540 is a SQL Injection vulnerability affecting Simple Laundry System versions 1.0.0–1.0.0, allowing attackers to inject malicious SQL code via the /modifymember.php file.
If you are using Simple Laundry System version 1.0.0–1.0.0, you are potentially affected by this vulnerability and should take immediate action to mitigate the risk.
The recommended fix is to upgrade to a patched version of Simple Laundry System. If a patch is unavailable, implement input validation and consider using a WAF as temporary workarounds.
A proof-of-concept exploit is known to exist, suggesting a potential for active exploitation. Continuous monitoring is advised.
Refer to the Simple Laundry System website or relevant security mailing lists for official advisories and updates regarding CVE-2026-5540.
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