How severe is CVE-2023-40751?

CVE-2023-40751 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-40751 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-2023-40751?

CVE-2023-40751 affects Phpjabbers Fundraising Script. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40751?

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

When was CVE-2023-40751 published?

CVE-2023-40751 was published on 2023-08-28 and last updated on 2026-06-17.

CVE-2023-40751

CVE-2023-40751 is a medium-severity vulnerability in Phpjabbers Fundraising Script with a CVSS 3.x base score of 6.1. 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 6.1)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Phpjabbers Fundraising Script
Published: 2023-08-28
Last modified: 2026-06-17

Description

PHPJabbers Fundraising Script v1.0 is vulnerable to Cross Site Scripting (XSS) via the "action" parameter of index.php.

Frequently asked questions

What is CVE-2023-40751?: PHPJabbers Fundraising Script v1.0 is vulnerable to Cross Site Scripting (XSS) via the "action" parameter of index.php.
How severe is CVE-2023-40751?: CVE-2023-40751 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-40751 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-2023-40751?: CVE-2023-40751 affects Phpjabbers Fundraising Script. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40751?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40751 published?: CVE-2023-40751 was published on 2023-08-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:fundraising_script:1.0:*:*:*:*:*:*:*

More vulnerabilities in Phpjabbers Fundraising Script

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CVE-2020-22224 — Medium (CVSS 6.1): Stivasoft (Phpjabbers) Fundraising Script v1.0 was discovered to contain a cross-site scripting (XSS) vulnerability via…
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