Which versions of PHP are affected by CVE-2026-4876?

Organizations using A vulnerability should be aware of moderate risk from CVE-2026-4876, a SQL injection vulnerability rated CVSS 5.3.

Is there a public PoC exploit available for CVE-2026-4876?

Yes, a public proof-of-concept exploit is available for CVE-2026-4876. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-4876?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

PHP CVE-2026-4876

Q: What is the CVSS score of CVE-2026-4876?

CVE-2026-4876 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-2026-16193 LOW

SQL Injection (CWE-89)

2026-03-26 VulDB

SQLi PHP

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:L/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

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

5.3 (MEDIUM) 2.1 (LOW)

PoC Detected

Mar 30, 2026 - 13:26 vuln.today

Public exploit code

EUVD ID Assigned

Mar 26, 2026 - 13:45 euvd

EUVD-2026-16193

Analysis Generated

Mar 26, 2026 - 13:45 vuln.today

CVE Published

Mar 26, 2026 - 13:05 nvd

MEDIUM 5.3

DescriptionCVE.org

A vulnerability was identified in itsourcecode Free Hotel Reservation System 1.0. The impacted element is an unknown function of the file /admin/mod_amenities/index.php?view=editpic. Such manipulation of the argument ID leads to sql injection. The attack may be performed from remote. The exploit is publicly available and might be used.

AnalysisAI

SQL injection in itsourcecode Free Hotel Reservation System 1.0 via the ID parameter in /admin/mod_amenities/index.php?view=editpic allows authenticated remote attackers to manipulate database queries and extract or modify sensitive data. The vulnerability requires valid administrator credentials to exploit (PR:L per CVSS 4.0 vector), affects confidentiality and integrity of database contents, and carries moderate real-world risk despite a CVSS score of 5.3 due to publicly available exploit code and low attack complexity. …

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Vulnerability AssessmentAI

Risk Assessment	This vulnerability presents moderate but concrete risk despite the CVSS 4.0 score of 5.3. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An attacker with valid administrator credentials logs into the Free Hotel Reservation System admin panel and navigates to the amenities module. Instead of selecting a legitimate amenity ID, the attacker crafts a malicious URL such as /admin/mod_amenities/index.php?view=editpic&id=1' UNION SELECT user(),database(),version() -- which injects SQL commands into the query. …
Remediation	No vendor-released patched version of itsourcecode Free Hotel Reservation System has been identified at the time of analysis; the software appears to be unmaintained. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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CVE-2026-4876 vulnerability details – vuln.today

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PHP CVE-2026-4876

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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External POC / Exploit Code