How severe is CVE-2023-47503?

CVE-2023-47503 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-2023-47503 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-2023-47503?

CVE-2023-47503 affects Jflyfox Jfinal Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-47503?

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-2023-47503 published?

CVE-2023-47503 was published on 2023-11-28 and last updated on 2026-06-17.

CVE-2023-47503

CVE-2023-47503 is a critical-severity vulnerability in Jflyfox Jfinal Cms 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Jflyfox Jfinal Cms
Published: 2023-11-28
Last modified: 2026-06-17

Description

An issue in jflyfox jfinalCMS v.5.1.0 allows a remote attacker to execute arbitrary code via a crafted script to the login.jsp component in the template management module.

Frequently asked questions

What is CVE-2023-47503?: An issue in jflyfox jfinalCMS v.5.1.0 allows a remote attacker to execute arbitrary code via a crafted script to the login.jsp component in the template management module.
How severe is CVE-2023-47503?: CVE-2023-47503 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-2023-47503 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-2023-47503?: CVE-2023-47503 affects Jflyfox Jfinal Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-47503?: 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-2023-47503 published?: CVE-2023-47503 was published on 2023-11-28 and last updated on 2026-06-17.

References

https://github.com/jflyfox/jfinal_cms/issues/58

Affected products (1)

cpe:2.3:a:jflyfox:jfinal_cms:5.1.0:*:*:*:*:*:*:*

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