How severe is CVE-2023-40753?

CVE-2023-40753 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-40753 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-2023-40753?

CVE-2023-40753 affects Phpjabbers Ticket Support Script. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40753?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-40753 published?

CVE-2023-40753 was published on 2023-08-28 and last updated on 2026-06-17.

CVE-2023-40753

CVE-2023-40753 is a medium-severity vulnerability in Phpjabbers Ticket Support Script with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Phpjabbers Ticket Support Script
Published: 2023-08-28
Last modified: 2026-06-17

Description

There is a Cross Site Scripting (XSS) vulnerability in the message parameter of index.php in PHPJabbers Ticket Support Script v3.2.

Frequently asked questions

What is CVE-2023-40753?: There is a Cross Site Scripting (XSS) vulnerability in the message parameter of index.php in PHPJabbers Ticket Support Script v3.2.
How severe is CVE-2023-40753?: CVE-2023-40753 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-40753 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-2023-40753?: CVE-2023-40753 affects Phpjabbers Ticket Support Script. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40753?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40753 published?: CVE-2023-40753 was published on 2023-08-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:ticket_support_script:3.2:*:*:*:*:*:*:*

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