How severe is CVE-2023-48841?

CVE-2023-48841 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-2023-48841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48841?

CVE-2023-48841 affects Phpjabbers Appointment Scheduler. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48841?

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-2023-48841 published?

CVE-2023-48841 was published on 2023-12-07 and last updated on 2026-06-17.

CVE-2023-48841

CVE-2023-48841 is a high-severity vulnerability in Phpjabbers Appointment Scheduler 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-74.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Phpjabbers Appointment Scheduler
Published: 2023-12-07
Last modified: 2026-06-17

Description

Appointment Scheduler 3.0 is vulnerable to CSV Injection via a Language > Labels > Export action.

Frequently asked questions

What is CVE-2023-48841?: Appointment Scheduler 3.0 is vulnerable to CSV Injection via a Language > Labels > Export action.
How severe is CVE-2023-48841?: CVE-2023-48841 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-2023-48841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48841?: CVE-2023-48841 affects Phpjabbers Appointment Scheduler. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48841?: 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-2023-48841 published?: CVE-2023-48841 was published on 2023-12-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:appointment_scheduler:3.0:*:*:*:*:*:*:*

More vulnerabilities in Phpjabbers Appointment Scheduler

CVE-2023-48840 — High (CVSS 7.5): A lack of rate limiting in pjActionAjaxSend in Appointment Scheduler 3.0 allows attackers to cause resource exhaustion.
CVE-2023-36127 — High (CVSS 7.5): User enumeration is found in in PHPJabbers Appointment Scheduler 3.0. This issue occurs during password recovery, where…
CVE-2014-10001 — Medium (CVSS 6.8): Multiple cross-site request forgery (CSRF) vulnerabilities in PHPJabbers Appointment Scheduler 2.0 allow remote…
CVE-2023-36126 — Medium (CVSS 6.1): There is a Cross Site Scripting (XSS) vulnerability in the "theme" parameter of preview.php in PHPJabbers Appointment…
CVE-2023-48839 — Medium (CVSS 5.4): Appointment Scheduler 3.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) issues via the name,…
CVE-2023-48838 — Medium (CVSS 5.4): Appointment Scheduler 3.0 is vulnerable to Multiple HTML Injection issues via the SMS API Key or Default Country Code.

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