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PatchSiren cyber security CVE debrief

CVE-2018-25362 Fyffe CVE debrief

A SQL injection vulnerability exists in Twitter-Clone 1, specifically in the follow.php endpoint. The userid parameter fails to properly sanitize user input, allowing attackers to inject arbitrary SQL code. Successful exploitation enables union-based or time-based blind SQL injection attacks, potentially exposing sensitive database contents including user credentials and database configuration information. The vulnerability carries a HIGH severity CVSS score of 8.8, reflecting significant confidentiality impact with network-based attack vector requiring no authentication.

Vendor
Fyffe
Product
PHP-Twitter-Clone
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-25
Original CVE updated
2026-07-23
Advisory published
2026-05-25
Advisory updated
2026-07-23

Who should care

Organizations running Twitter-Clone 1 instances, PHP application developers, database administrators managing social platform backends, security teams monitoring for SQL injection attack patterns

Technical summary

The follow.php component in Twitter-Clone 1 contains a SQL injection vulnerability where the userid parameter accepts unsanitized input directly into database queries. Attackers can craft malicious payloads using UNION operators for direct data extraction or time-delay functions for blind inference attacks. The vulnerability permits unauthorized read access to database tables containing authentication credentials and system configuration data.

Defensive priority

HIGH

Recommended defensive actions

  • Apply input validation and parameterized queries to the userid parameter in follow.php
  • Implement prepared statements to prevent SQL injection in database query construction
  • Review and sanitize all user-supplied input in Twitter-Clone authentication and social features
  • Monitor database query logs for anomalous union-based or time-based blind SQL injection patterns
  • Consider web application firewall rules to detect and block SQL injection payloads targeting follow.php

Evidence notes

Vulnerability disclosed via NVD with source references to GitHub repository, Exploit-DB entry, and VulnCheck advisory. CVSS 4.0 vector indicates network attack vector, low attack complexity, no required privileges, and high confidentiality impact. CWE-89 (SQL Injection) classified as primary weakness.

Sources and references

Verified primary and authoritative sources

  • CVE-2018-25362 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2018-25362

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2018-25362 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2018-25362

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.