CVE-2023-1771: A vulnerability was found in SourceCodester Grade Point Average GPA Calculator 1.0 and classified as problemat

Routine

LOW 3.5DOWNGRADE

CVE-2023-1771 is a low-severity flaw (CVSS 3.5) affecting grade point average \(gpa\) calculator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in SourceCodester Grade Point Average GPA Calculator 1.0 and classified as problematic. Affected by this issue is the function get_scale of the file Master.php. The manipulation of the argument perc leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-224672.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 54%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-03-31
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: grade point average \(gpa\) calculator project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-03-31 12:15 UTCPublished CVE record published
2026-06-17 05:28 UTCUpdated Record last modified

grade point average \(gpa\) calculator project grade point average \(gpa\) calculator DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy grade-point-average-gpa-calculator || rpm -q grade-point-average-gpa-calculator || grade-point-average-gpa-calculator --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison grade-point-average-gpa-calculator sudo apt install grade-point-average-gpa-calculator=<VERSION_BEFORE_1.0> sudo apt-mark hold grade-point-average-gpa-calculator

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list grade-point-average-gpa-calculator sudo dnf downgrade grade-point-average-gpa-calculator-<VERSION_BEFORE_1.0> sudo dnf versionlock add grade-point-average-gpa-calculator

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-1771?

grade point average \(gpa\) calculator: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-1771 being exploited?

CVE-2023-1771 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-1771 affect?

CVE-2023-1771 affects grade point average \(gpa\) calculator. Severity is low (CVSS 3.5). A vulnerability was found in SourceCodester Grade Point Average GPA Calculator 1.0 and classified as problematic. Affected by this issue is the function get_scale of the file Master.php. The manipulation of the argument perc leads to cross

How urgent is CVE-2023-1771?

Priority 29/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2023-1770 MEDIUM 6.3 DOWNGRADE A vulnerability has been found in SourceCodester Grade Point Average GPA Calculator 1.0 and classified as crit
CVE-2023-1769 MEDIUM 4.3 DOWNGRADE A vulnerability, which was classified as problematic, was found in SourceCodester Grade Point Average GPA Calc
CVE-2023-1743 LOW 3.5 DOWNGRADE A vulnerability classified as problematic has been found in SourceCodester Grade Point Average GPA Calculator

References

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