CVE-2019-25506 FreeSMS 2.1.2 Authentication Bypass via SQL Injection

High 8.8 Published Updated

Unauthenticated attackers can bypass login via SQL injection to take over accounts and modify passwords in FreeSMS.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-25506?

CVE-2019-25506 is a high-severity SQL injection vulnerability in FreeSMS, published on 4 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-89

Which versions are affected by CVE-2019-25506?

It affects 1 product.

Products include Freesms Project Freesms.

How do I fix CVE-2019-25506?

No fix has been published for CVE-2019-25506 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2019-25506 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25506 exists.

Sources

Also known as GHSA-j4rv-c327-frjj.

Is CVE-2019-25506 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free