How severe is CVE-2023-48655?

CVE-2023-48655 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-2023-48655 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48655?

CVE-2023-48655 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48655?

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-2023-48655 published?

CVE-2023-48655 was published on 2023-11-17 and last updated on 2026-06-23.

CVE-2023-48655

CVE-2023-48655 is a critical-severity vulnerability in Misp-project Misp 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-116.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-116
Affected product: Misp-project Misp
Published: 2023-11-17
Last modified: 2026-06-23

Description

An issue was discovered in MISP before 2.4.176. app/Controller/Component/IndexFilterComponent.php does not properly filter out query parameters.

Frequently asked questions

What is CVE-2023-48655?: An issue was discovered in MISP before 2.4.176. app/Controller/Component/IndexFilterComponent.php does not properly filter out query parameters.
How severe is CVE-2023-48655?: CVE-2023-48655 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-2023-48655 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48655?: CVE-2023-48655 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48655?: 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-2023-48655 published?: CVE-2023-48655 was published on 2023-11-17 and last updated on 2026-06-23.

References

Affected products (1)

cpe:2.3:a:misp-project:misp:*:*:*:*:*:*:*:*

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