8.2
HIGH CVSS 4.0
CVE-2021-47848
Blitar Tourism 1.0 - Authentication Bypass SQLi
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.

INFO

Published Date :

Jan. 21, 2026, 6:16 p.m.

Last Modified :

Jan. 21, 2026, 6:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2021-47848 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH MITRE-CVE
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Remediate SQL injection in username parameter to prevent authentication bypass.
  • Sanitize all inputs for SQL injection.
  • Use parameterized queries or prepared statements.
  • Validate and sanitize the username parameter.
  • Implement proper authentication controls.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-47848.

URL Resource
https://github.com/satndy/Aplikasi-Biro-Travel
https://www.exploit-db.com/exploits/49759
https://www.vulncheck.com/advisories/blitar-tourism-authentication-bypass-sqli
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-47848 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-47848 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47848 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jan. 21, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
    Added CWE CWE-89
    Added Reference https://github.com/satndy/Aplikasi-Biro-Travel
    Added Reference https://www.exploit-db.com/exploits/49759
    Added Reference https://www.vulncheck.com/advisories/blitar-tourism-authentication-bypass-sqli
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 8.2
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact