Which versions of PHP are affected by CVE-2026-5554?

Concert Ticket Reservation System 1.0 contains a critical SQL injection vulnerability in its search functionality that allows unauthenticated attackers to access, modify, or delete the entire…

Is there a public PoC exploit available for CVE-2026-5554?

Yes, a public proof-of-concept exploit is available for CVE-2026-5554. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-5554?

Within 24 hours: Identify all Concert Ticket Reservation System 1.0 instances on your network and isolate them from public internet access or disable process_search.php if not essential. Within 7 days: Contact the vendor for emergency patch availability and interim security updates; implement Web Application Firewall (WAF) rules to block SQL injection patterns in the 'searching' parameter (e.g., blocking single quotes, SQL keywords). Within 30 days: Upgrade to a patched version once available from the vendor, or migrate to an alternative ticketing system; conduct database audit for unauthorized access or modifications.

PHP CVE-2026-5554

Q: What is the CVSS score of CVE-2026-5554?

CVE-2026-5554 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

EUVD-2026-19056 MEDIUM

SQL Injection (CWE-89)

2026-04-05 VulDB

PHP SQLi

5.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.9 (MEDIUM) 5.5 (MEDIUM)

PoC Detected

Apr 07, 2026 - 13:20 vuln.today

Public exploit code

EUVD ID Assigned

Apr 05, 2026 - 09:30 euvd

EUVD-2026-19056

Analysis Generated

Apr 05, 2026 - 09:30 vuln.today

CVE Published

Apr 05, 2026 - 09:00 nvd

MEDIUM 6.9

DescriptionCVE.org

A security flaw has been discovered in code-projects Concert Ticket Reservation System 1.0. Affected by this issue is some unknown functionality of the file /ConcertTicketReservationSystem-master/process_search.php of the component Parameter Handler. Performing a manipulation of the argument searching results in sql injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

AnalysisAI

SQL injection in Concert Ticket Reservation System 1.0 allows unauthenticated remote attackers to extract, modify, or delete database contents via the 'searching' parameter in process_search.php. Publicly available exploit code exists (GitHub), enabling immediate weaponization. …

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Vulnerability AssessmentAI

Risk Assessment	Real-world risk assessment reveals moderate-to-high priority despite no confirmed active exploitation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An unauthenticated attacker identifies an internet-facing Concert Ticket Reservation System instance through Shodan or targeted reconnaissance. Using the publicly available GitHub proof-of-concept, they craft a malicious HTTP request to process_search.php with SQL injection payloads in the 'searching' parameter (e.g., ' UNION SELECT username,password,email FROM users--). …
Remediation	No vendor-released patch identified at time of analysis - code-projects.org does not maintain a formal security advisory program for this legacy project. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all Concert Ticket Reservation System 1.0 instances on your network and isolate them from public internet access or disable process_search.php if not essential. …

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-5554 vulnerability details – vuln.today

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PHP CVE-2026-5554

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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External POC / Exploit Code