How severe is CVE-2020-23831?

CVE-2020-23831 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2020-23831 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23831?

CVE-2020-23831 affects Stock Management System Project Stock Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23831?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-23831 published?

CVE-2020-23831 was published on 2020-09-01 and last updated on 2026-06-17.

CVE-2020-23831

CVE-2020-23831 is a medium-severity vulnerability in Stock Management System Project Stock Management System with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
CVSS v2: 4.3
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Stock Management System Project Stock Management System
Published: 2020-09-01
Last modified: 2026-06-17

Description

A Reflected Cross-Site Scripting (XSS) vulnerability in the index.php login-portal webpage of SourceCodester Stock Management System v1.0 allows remote attackers to harvest login credentials and session cookies when an unauthenticated victim clicks on a malicious URL and enters credentials.

Frequently asked questions

What is CVE-2020-23831?: A Reflected Cross-Site Scripting (XSS) vulnerability in the index.php login-portal webpage of SourceCodester Stock Management System v1.0 allows remote attackers to harvest login credentials and session cookies when an unauthenticated victim clicks on a malicious URL and enters credentials.
How severe is CVE-2020-23831?: CVE-2020-23831 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2020-23831 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23831?: CVE-2020-23831 affects Stock Management System Project Stock Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23831?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-23831 published?: CVE-2020-23831 was published on 2020-09-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:stock_management_system_project:stock_management_system:1.0:*:*:*:*:*:*:*

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