How severe is CVE-2023-53883?

CVE-2023-53883 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-2023-53883 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53883?

CVE-2023-53883 affects Webedition Webedition Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53883?

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.

Does CVE-2023-53883 have an EU (EUVD) identifier?

Yes. CVE-2023-53883 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203425.

When was CVE-2023-53883 published?

CVE-2023-53883 was published on 2025-12-15 and last updated on 2026-06-17.

CVE-2023-53883

CVE-2023-53883 is a high-severity vulnerability in Webedition Webedition Cms with a CVSS 3.x base score of 7.2. 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-94.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v4: 8.6
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203425
Weakness: CWE-94
Affected product: Webedition Webedition Cms
Published: 2025-12-15
Last modified: 2026-06-17

Description

Webedition CMS v2.9.8.8 contains a remote code execution vulnerability that allows authenticated attackers to inject system commands through PHP page creation. Attackers can create a new PHP page with malicious system commands in the description field to execute arbitrary commands on the server.

Frequently asked questions

What is CVE-2023-53883?: Webedition CMS v2.9.8.8 contains a remote code execution vulnerability that allows authenticated attackers to inject system commands through PHP page creation. Attackers can create a new PHP page with malicious system commands in the description field to execute arbitrary commands on the server.
How severe is CVE-2023-53883?: CVE-2023-53883 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-2023-53883 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53883?: CVE-2023-53883 affects Webedition Webedition Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53883?: 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.
Does CVE-2023-53883 have an EU (EUVD) identifier?: Yes. CVE-2023-53883 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203425.
When was CVE-2023-53883 published?: CVE-2023-53883 was published on 2025-12-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:webedition:webedition_cms:2.9.8.8:*:*:*:*:*:*:*

More vulnerabilities in Webedition Webedition Cms

CVE-2014-2302 — Critical (CVSS 9.8): The installer script in webEdition CMS before 6.2.7-s1 and 6.3.x before 6.3.8-s1 allows remote attackers to conduct PHP…
CVE-2014-2303 — High (CVSS 7.5): Multiple SQL injection vulnerabilities in the file browser component (we_fs.php) in webEdition CMS before 6.2.7-s1.2…
CVE-2024-28418 — Medium (CVSS 6.5): Webedition CMS 9.2.2.0 has a File upload vulnerability via /webEdition/we_cmd.php
CVE-2024-28417 — Medium (CVSS 6.3): Webedition CMS 9.2.2.0 has a Stored XSS vulnerability via /webEdition/we_cmd.php.
CVE-2023-53884 — Medium (CVSS 5.4): Webedition CMS v2.9.8.8 contains a stored cross-site scripting vulnerability that allows authenticated users to upload…
CVE-2014-5258 — Medium (CVSS 4.0): Directory traversal vulnerability in showTempFile.php in webEdition CMS before 6.3.9.0 Beta allows remote authenticated…

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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.
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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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