How severe is CVE-2023-48207?

CVE-2023-48207 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-2023-48207 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48207?

CVE-2023-48207 affects Phpjabbers Availability Booking Calendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48207?

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-2023-48207 published?

CVE-2023-48207 was published on 2023-12-07 and last updated on 2026-06-17.

CVE-2023-48207

CVE-2023-48207 is a high-severity vulnerability in Phpjabbers Availability Booking Calendar 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-1236.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1236
Affected product: Phpjabbers Availability Booking Calendar
Published: 2023-12-07
Last modified: 2026-06-17

Description

Availability Booking Calendar 5.0 allows CSV injection via the unique ID field in the Reservations list component.

Frequently asked questions

What is CVE-2023-48207?: Availability Booking Calendar 5.0 allows CSV injection via the unique ID field in the Reservations list component.
How severe is CVE-2023-48207?: CVE-2023-48207 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-2023-48207 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48207?: CVE-2023-48207 affects Phpjabbers Availability Booking Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48207?: 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-2023-48207 published?: CVE-2023-48207 was published on 2023-12-07 and last updated on 2026-06-17.

References

http://packetstormsecurity.com/files/175804

Affected products (1)

cpe:2.3:a:phpjabbers:availability_booking_calendar:5.0:*:*:*:*:*:*:*

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