How severe is CVE-2023-43740?

CVE-2023-43740 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-2023-43740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43740?

CVE-2023-43740 affects Projectworlds Online Book Store Project. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43740?

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-2023-43740 published?

CVE-2023-43740 was published on 2023-09-28 and last updated on 2026-06-17.

CVE-2023-43740

CVE-2023-43740 is a high-severity vulnerability in Projectworlds Online Book Store Project 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Projectworlds Online Book Store Project
Published: 2023-09-28
Last modified: 2026-06-17

Description

Online Book Store Project v1.0 is vulnerable to an Insecure File Upload vulnerability on the 'image' parameter of admin_edit.php page, allowing an authenticated attacker to obtain Remote Code Execution on the server hosting the application.

Frequently asked questions

What is CVE-2023-43740?: Online Book Store Project v1.0 is vulnerable to an Insecure File Upload vulnerability on the 'image' parameter of admin_edit.php page, allowing an authenticated attacker to obtain Remote Code Execution on the server hosting the application.
How severe is CVE-2023-43740?: CVE-2023-43740 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-2023-43740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43740?: CVE-2023-43740 affects Projectworlds Online Book Store Project. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43740?: 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-2023-43740 published?: CVE-2023-43740 was published on 2023-09-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:projectworlds:online_book_store_project:1.0:*:*:*:*:*:*:*

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