How severe is CVE-2023-4811?

CVE-2023-4811 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-2023-4811 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4811?

CVE-2023-4811 affects Iptanus Wordpress File Upload. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4811?

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

When was CVE-2023-4811 published?

CVE-2023-4811 was published on 2023-10-16 and last updated on 2026-06-17.

CVE-2023-4811

CVE-2023-4811 is a medium-severity vulnerability in Iptanus Wordpress File Upload 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.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Iptanus Wordpress File Upload
Published: 2023-10-16
Last modified: 2026-06-17

Description

The WordPress File Upload WordPress plugin before 4.23.3 does not sanitise and escape some of its settings, which could allow high privilege users such as contributors to perform Stored Cross-Site Scripting attacks.

Frequently asked questions

What is CVE-2023-4811?: The WordPress File Upload WordPress plugin before 4.23.3 does not sanitise and escape some of its settings, which could allow high privilege users such as contributors to perform Stored Cross-Site Scripting attacks.
How severe is CVE-2023-4811?: CVE-2023-4811 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-2023-4811 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4811?: CVE-2023-4811 affects Iptanus Wordpress File Upload. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4811?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4811 published?: CVE-2023-4811 was published on 2023-10-16 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/7f9271f2-4de4-4be3-8746-2a3f149eb1d1

Affected products (1)

cpe:2.3:a:iptanus:wordpress_file_upload:*:*:*:*:*:wordpress:*:*

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