CVE-2021-47848 Blitar Tourism 1.0 - Authentication Bypass SQLi

High 8.8 Published Updated

Attackers can bypass authentication and gain administrative access via SQL injection in the username parameter of Blitar Tourism.

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-2021-47848?

CVE-2021-47848 is a high-severity SQL injection vulnerability in satndy Aplikasi-Biro-Travel, published on 21 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Blitar Tourism 1.0 contains an authentication bypass vulnerability that allows attackers to bypass login by injecting SQL code through the username parameter. Attackers can manipulate the login request by sending a crafted username with SQL injection techniques to gain unauthorized administrative access.

Weakness: CWE-89

Which versions are affected by CVE-2021-47848?

How do I fix CVE-2021-47848?

No fix has been published for CVE-2021-47848 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-2021-47848 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47848 exists.

Sources

Also known as GHSA-xhh2-grh7-5gvp.

Is CVE-2021-47848 in your software?

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