How severe is CVE-2023-39850?

CVE-2023-39850 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-39850 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39850?

CVE-2023-39850 affects Schoolmate Project Schoolmate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39850?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-39850 published?

CVE-2023-39850 was published on 2023-08-15 and last updated on 2026-06-17.

CVE-2023-39850

CVE-2023-39850 is a critical-severity vulnerability in Schoolmate Project Schoolmate with a CVSS 3.x base score of 9.8. 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Schoolmate Project Schoolmate
Published: 2023-08-15
Last modified: 2026-06-17

Description

Schoolmate v1.3 was discovered to contain multiple SQL injection vulnerabilities via the $courseid and $teacherid parameters at DeleteFunctions.php.

Frequently asked questions

What is CVE-2023-39850?: Schoolmate v1.3 was discovered to contain multiple SQL injection vulnerabilities via the $courseid and $teacherid parameters at DeleteFunctions.php.
How severe is CVE-2023-39850?: CVE-2023-39850 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-39850 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39850?: CVE-2023-39850 affects Schoolmate Project Schoolmate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39850?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-39850 published?: CVE-2023-39850 was published on 2023-08-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:schoolmate_project:schoolmate:1.3:*:*:*:*:*:*:*

More vulnerabilities in Schoolmate Project Schoolmate

CVE-2023-40946 — Critical (CVSS 9.8): Schoolmate 1.3 is vulnerable to SQL Injection in the variable $username from SESSION in ValidateLogin.php.
CVE-2023-40944 — Critical (CVSS 9.8): Schoolmate 1.3 is vulnerable to SQL Injection in the variable $schoolname from Database at ~\header.php.

All CVEs affecting Schoolmate Project Schoolmate →

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