CVE-2023-1771Public exploitNetwork attack vector

Authenticated script execution via unneutralized perc input

Published Mar 31, 2023 · Updated Aug 2, 2024

Cross-site scripting in SourceCodester Grade Point Average (GPA) Calculator 1.0 allows remote authenticated users to execute script in a victim's browser. The public record identifies Master.php get_scale and its perc input but does not disclose the response context or missing neutralization operation. VulDB requires low-privileged access while NVD scores the path without privileges; both require a victim to render the crafted response.

CVSS severity6.1
Medium
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in SourceCodester Grade Point Average (GPA) Calculator 1.0 allows remote authenticated users to execute script in a victim's browser. The public record identifies Master.php get_scale and its perc input but does not disclose the response context or missing neutralization operation. VulDB requires low-privileged access while NVD scores the path without privileges; both require a victim to render the crafted response.

The record

CVE
CVE-2023-1771
Published
Mar 31, 2023
Updated
Aug 2, 2024
Vendor
Online Movie Ticket Booking System
Product
Grade Point Average (GPA) Calculator
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 31, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Online Movie Ticket Booking System · Grade Point Average (GPA) Calculatorversion=1.0

Published CVSS scores

4.0VulDBAV:N/AC:L/Au:S/C:N/I:P/A:N
6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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