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VulnerabilityPublished Updated

CVE-2024-55085: GetSimple CMS CE · Code Injection

Source CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 12:54 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.8% chance of exploitation in 30 days – higher than 58% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Dec 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

  1. Immediately restrict access to the GetSimple CMS background management interface by IP whitelisting or VPN-only access to reduce exposure.
  2. Monitor web server logs and CMS activity for unusual template edits or suspicious requests targeting the template editing function.
  3. Disable or limit template editing capabilities if feasible until a vendor patch is released.
  4. Employ Web Application Firewalls (WAFs) with custom rules to detect and block attempts to inject code via the template editor.
  5. Regularly back up website data and configurations to enable rapid recovery in case of compromise.
  6. Stay alert for vendor announcements regarding patches or updates addressing this vulnerability and apply them promptly.
  7. Conduct internal audits to identify all instances of GetSimple CMS in the environment to ensure comprehensive coverage.
  8. Educate administrators about the risk and signs of exploitation to enhance detection and response capabilities.

Description

GetSimple CMS CE 3.3.19 suffers from arbitrary code execution in the template editing function in the background management system, which can be used by an attacker to implement RCE.

References

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