CVE-2018-20300
CVE-2018-20300 is a critical-severity vulnerability in Phome Empirecms with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Phome Empirecms
- Published:
- Last modified:
Description
Empire CMS 7.5 allows remote attackers to execute arbitrary PHP code via the ftemp parameter in an enews=EditMemberForm action because this code is injected into a memberform.$fid.php file.
Frequently asked questions
- What is CVE-2018-20300?
- Empire CMS 7.5 allows remote attackers to execute arbitrary PHP code via the ftemp parameter in an enews=EditMemberForm action because this code is injected into a memberform.$fid.php file.
- How severe is CVE-2018-20300?
- CVE-2018-20300 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-20300 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20300?
- CVE-2018-20300 affects Phome Empirecms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-20300?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-20300 published?
- CVE-2018-20300 was published on 2018-12-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:phome:empirecms:7.5:*:*:*:*:*:*:*
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- CVE-2020-22937 — Critical (CVSS 9.8): A remote code execution (RCE) in e/install/index.php of EmpireCMS 7.5 allows attackers to execute arbitrary PHP code…
- CVE-2018-18869 — Critical (CVSS 9.8): EmpireCMS V7.5 allows remote attackers to upload and execute arbitrary code via ..%2F directory traversal in a .php…
- CVE-2018-18449 — High (CVSS 8.8): EmpireCMS 7.5 allows CSRF for adding a user account via an enews=AddUser action to e/admin/user/ListUser.php, a similar…
- CVE-2018-18086 — High (CVSS 8.8): EmpireCMS v7.5 has an arbitrary file upload vulnerability in the LoadInMod function in e/class/moddofun.php,…
- CVE-2018-16339 — High (CVSS 8.8): An issue was discovered in EmpireCMS 7.0. There is a CSRF vulnerability that can add administrators via…
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