How severe is CVE-2023-45120?

CVE-2023-45120 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-45120 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45120?

CVE-2023-45120 affects Projectworlds Online Examination System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-45120?

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

When was CVE-2023-45120 published?

CVE-2023-45120 was published on 2023-12-21 and last updated on 2026-06-17.

CVE-2023-45120

CVE-2023-45120 is a high-severity vulnerability in Projectworlds Online Examination System with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Projectworlds Online Examination System
Published: 2023-12-21
Last modified: 2026-06-17

Description

Online Examination System v1.0 is vulnerable to multiple Authenticated SQL Injection vulnerabilities. The 'qid' parameter of the /update.php?q=quiz&step=2 resource does not validate the characters received and they are sent unfiltered to the database.

Frequently asked questions

What is CVE-2023-45120?: Online Examination System v1.0 is vulnerable to multiple Authenticated SQL Injection vulnerabilities. The 'qid' parameter of the /update.php?q=quiz&step=2 resource does not validate the characters received and they are sent unfiltered to the database.
How severe is CVE-2023-45120?: CVE-2023-45120 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-45120 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45120?: CVE-2023-45120 affects Projectworlds Online Examination System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-45120?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-45120 published?: CVE-2023-45120 was published on 2023-12-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:projectworlds:online_examination_system:1.0:*:*:*:*:*:*:*

More vulnerabilities in Projectworlds Online Examination System

CVE-2024-42843 — Critical (CVSS 9.8): Projectworlds Online Examination System v1.0 is vulnerable to SQL Injection via the subject parameter in feed.php.
CVE-2021-46307 — Critical (CVSS 9.8): An SQL Injection vulnerability exists in Projectworlds Online Examination System 1.0 via the eid parameter in…
CVE-2023-45121 — High (CVSS 8.8): Online Examination System v1.0 is vulnerable to multiple Authenticated SQL Injection vulnerabilities. The 'desc'…
CVE-2023-45119 — High (CVSS 8.8): Online Examination System v1.0 is vulnerable to multiple Authenticated SQL Injection vulnerabilities. The 'n'…
CVE-2023-45118 — High (CVSS 8.8): Online Examination System v1.0 is vulnerable to multiple Authenticated SQL Injection vulnerabilities. The 'fdid'…
CVE-2023-45117 — High (CVSS 8.8): Online Examination System v1.0 is vulnerable to multiple Authenticated SQL Injection vulnerabilities. The 'eid'…

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