Vulnerabilities

Vulnerability · 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.

Published Dec 15, 2025 · catalog updated May 12, 2026 · Webedition Webedition CMS

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-53883. EPSS is 1.00%. Act only if a listed version of Webedition Webedition CMS is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.00%
Remediation
Vendor / distro source
Affected products
vendor Webedition Webedition CMS 2.9.8.8

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Webedition Webedition CMS 2.9.8.82.9.8.8

How to fix CVE-2023-53883

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-53883. EPSS is 1.00%. Act only if a listed version of Webedition Webedition CMS is installed.

Which versions are affected?

Compare what you have installed with Webedition Webedition CMS 2.9.8.8 2.9.8.8. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 15, 2025 · EUVD

    Detected

    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.

  2. May 12, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2023-53883

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-53883

    30-day exploitation probability 1.00%

    first.org
  • EUVDVulnerability recordEUVD-2025-203425

    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 command

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 29, 2026
  • CVE.orgOct 26, 2026
  • EUVDOct 26, 2026