How severe is CVE-2023-48834?

CVE-2023-48834 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-48834 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48834?

CVE-2023-48834 affects Phpjabbers Car Rental Script. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48834?

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-2023-48834 published?

CVE-2023-48834 was published on 2023-12-07 and last updated on 2026-06-17.

CVE-2023-48834

CVE-2023-48834 is a high-severity vulnerability in Phpjabbers Car Rental Script with a CVSS 3.x base score of 7.5. 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Phpjabbers Car Rental Script
Published: 2023-12-07
Last modified: 2026-06-17

Description

A lack of rate limiting in pjActionAjaxSend in Car Rental v3.0 allows attackers to cause resource exhaustion.

Frequently asked questions

What is CVE-2023-48834?: A lack of rate limiting in pjActionAjaxSend in Car Rental v3.0 allows attackers to cause resource exhaustion.
How severe is CVE-2023-48834?: CVE-2023-48834 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-48834 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48834?: CVE-2023-48834 affects Phpjabbers Car Rental Script. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48834?: 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-2023-48834 published?: CVE-2023-48834 was published on 2023-12-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:car_rental_script:3.0:*:*:*:*:*:*:*

More vulnerabilities in Phpjabbers Car Rental Script

CVE-2023-40764 — Critical (CVSS 9.8): User enumeration is found in PHP Jabbers Car Rental Script v3.0. This issue occurs during password recovery, where a…
CVE-2023-48835 — High (CVSS 8.8): Car Rental Script v3.0 is vulnerable to CSV Injection via a Language > Labels > Export action.
CVE-2023-40754 — High (CVSS 8.8): In PHPJabbers Car Rental Script 3.0, lack of verification when changing an email address and/or password (on the…
CVE-2023-48837 — Medium (CVSS 5.4): Car Rental Script 3.0 is vulnerable to Multiple HTML Injection issues via SMS API Key or Default Country Code.
CVE-2023-48836 — Medium (CVSS 5.4): Car Rental Script 3.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) issues via the name,…

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