What is the CVSS score of CVE-2019-25506?

CVE-2019-25506 has a CVSS 3.1 base score of 8.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N. EPSS exploitation probability: 0.3%.

Which versions of PHP are affected by CVE-2019-25506?

FreeSMS 2.1.2 contains an unauthenticated SQL injection flaw that allows attackers to bypass login controls and gain unauthorized access to user accounts without credentials.

Is there a public PoC exploit available for CVE-2019-25506?

Yes, a public proof-of-concept exploit is available for CVE-2019-25506. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2019-25506?

Within 24 hours: Isolate affected FreeSMS instances from production networks or disable public internet access; audit authentication logs for suspicious login attempts. Within 7 days: Inventory all FreeSMS 2.1.2 deployments across the organization; implement WAF rules to block SQL injection patterns in the password parameter; begin evaluation of alternative SMS platforms. Within 30 days: Complete migration to a patched version or replace FreeSMS entirely; conduct forensic review of compromised accounts; reset credentials for all users with FreeSMS access.

PHP CVE-2019-25506

HIGH

SQL Injection (CWE-89)

2026-03-04 disclosure@vulncheck.com

PHP Authentication Bypass SQLi Freesms

8.2

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:05 vuln.today

PoC Detected

Mar 09, 2026 - 17:55 vuln.today

Public exploit code

CVE Published

Mar 04, 2026 - 18:16 nvd

HIGH 8.2

DescriptionNVD

FreeSMS 2.1.2 contains a boolean-based blind SQL injection vulnerability in the password parameter that allows unauthenticated attackers to bypass authentication by injecting SQL code through the login endpoint. Attackers can exploit the vulnerable password parameter in requests to /pages/crc_handler.php?method=login to authenticate as any known user and subsequently modify their password via the profile update function.

AnalysisAI

Technical ContextAI

Classified as CWE-89 (SQL Injection). Affects the password component of Freesms. FreeSMS 2.1.2 contains a boolean-based blind SQL injection vulnerability in the password parameter that allows unauthenticated attackers to bypass authentication by injecting SQL code through the login endpoint. Attackers can exploit the vulnerable password parameter in requests to /pages/crc_handler.php?method=login to authenticate as any known user and subsequently modify their password via the profile update function.

RemediationAI

Monitor vendor advisories for a patch. Use parameterized queries. Implement input validation. Restrict network access to the affected service where possible.

CVE-2019-25506 vulnerability details – vuln.today

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PHP CVE-2019-25506

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code