How severe is CVE-2023-46818?

CVE-2023-46818 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-46818 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-46818?

CVE-2023-46818 primarily affects Ispconfig. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-46818?

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-2023-46818 published?

CVE-2023-46818 was published on 2023-10-27 and last updated on 2026-06-17.

CVE-2023-46818

CVE-2023-46818 is a high-severity vulnerability in Ispconfig with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Ispconfig
Published: 2023-10-27
Last modified: 2026-06-17

Description

An issue was discovered in ISPConfig before 3.2.11p1. PHP code injection can be achieved in the language file editor by an admin if admin_allow_langedit is enabled.

Frequently asked questions

What is CVE-2023-46818?: An issue was discovered in ISPConfig before 3.2.11p1. PHP code injection can be achieved in the language file editor by an admin if admin_allow_langedit is enabled.
How severe is CVE-2023-46818?: CVE-2023-46818 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-46818 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-46818?: CVE-2023-46818 primarily affects Ispconfig. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-46818?: 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-2023-46818 published?: CVE-2023-46818 was published on 2023-10-27 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ispconfig:ispconfig:*:*:*:*:*:*:*:*
cpe:2.3:a:ispconfig:ispconfig:3.2.11:-:*:*:*:*:*:*

More vulnerabilities in Ispconfig

CVE-2021-3021 — Critical (CVSS 9.8): ISPConfig before 3.2.2 allows SQL injection.
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CVE-2012-2087 — Critical (CVSS 9.8): ISPConfig 3.0.4.3: the "Add new Webdav user" can chmod and chown entire server from client interface.
CVE-2013-3629 — High (CVSS 8.8): ISPConfig 3.0.5.2 has Arbitrary PHP Code Execution
CVE-2017-17384 — High (CVSS 8.8): ISPConfig 3.x before 3.1.9 allows remote authenticated users to obtain root access by creating a crafted cron job.
CVE-2018-17984 — High (CVSS 7.8): An unanchored /[a-z]{2}/ regular expression in ISPConfig before 3.1.13 makes it possible to include arbitrary files,…

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Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

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