How severe is CVE-2023-4493?

CVE-2023-4493 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-2023-4493 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4493?

CVE-2023-4493 affects Easy Address Book Web Server Project Easy Address Book Web Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4493?

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

When was CVE-2023-4493 published?

CVE-2023-4493 was published on 2023-10-04 and last updated on 2026-06-17.

CVE-2023-4493

CVE-2023-4493 is a medium-severity vulnerability in Easy Address Book Web Server Project Easy Address Book Web Server 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: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Easy Address Book Web Server Project Easy Address Book Web Server
Published: 2023-10-04
Last modified: 2026-06-17

Description

Stored Cross-Site Scripting in Easy Address Book Web Server 1.6 version, through the users_admin.ghp file that affects multiple parameters such as (firstname, homephone, lastname, lastname, middlename, workaddress, workcity, workcountry, workphone, workstate, workzip). This vulnerability allows a remote attacker to store a malicious JavaScript payload in the application to be executed when the page is loaded, resulting in an integrity impact.

Frequently asked questions

What is CVE-2023-4493?: Stored Cross-Site Scripting in Easy Address Book Web Server 1.6 version, through the users_admin.ghp file that affects multiple parameters such as (firstname, homephone, lastname, lastname, middlename, workaddress, workcity, workcountry, workphone, workstate, workzip). This vulnerability allows a remote attacker to store a malicious JavaScript payload in the application to be executed when the page is loaded, resulting in an integrity impact.
How severe is CVE-2023-4493?: CVE-2023-4493 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-2023-4493 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4493?: CVE-2023-4493 affects Easy Address Book Web Server Project Easy Address Book Web Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4493?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4493 published?: CVE-2023-4493 was published on 2023-10-04 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-efs-software-products

Affected products (1)

cpe:2.3:a:easy_address_book_web_server_project:easy_address_book_web_server:1.6:*:*:*:*:*:*:*

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CVE-2023-4491 — Critical (CVSS 9.8): Buffer overflow vulnerability in Easy Address Book Web Server 1.6 version. The exploitation of this vulnerability could…
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