CVE-2018-16763

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 83%
CISA-KEV: Not listedEPSS: 83%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

FUEL CMS 1.4.1 allows PHP Code Evaluation via the pages/select/ filter parameter or the preview/ data parameter. This can lead to Pre-Auth Remote Code Execution.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
82(Track*)
EG Risk 82/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation83% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
99.6%
KEV
Not listed

Published

September 9, 2018

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Jun 7, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

From Code Evaluation to Pre-Auth Remote Code Execution (CVE-2018-16763 bypass) – 0xD0ff9

https://0xd0ff9.wordpress.com/2019/07/19/from-code-evaluation-to-pre-auth-remote-code-execution-cve-2018-16763-bypass/
generic🟡 PoC Available

fuel CMS 1.4.1 - Remote Code Execution (1) - Linux webapps Exploit

https://www.exploit-db.com/exploits/47138
generic

Vulnerability - Code Evaluations & SQL Injections · Issue #478 · daylightstudio/FUEL-CMS · GitHub

https://github.com/daylightstudio/FUEL-CMS/issues/478

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 26× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 01:34 UTCEG score recompute
  2. 2026-07-22 22:14 UTCEG score recompute
  3. 2026-07-22 14:04 UTCEPSS rescore
  4. 2026-07-21 15:21 UTCEPSS rescore
  5. 2026-07-21 05:48 UTCOSV refresh
  6. 2026-07-20 17:04 UTCEPSS rescore
  7. 2026-07-20 17:04 UTCEPSS rescore
  8. 2026-07-19 02:26 UTCEPSS rescore
  9. 2026-07-19 02:26 UTCEPSS rescore
  10. 2026-07-15 16:55 UTCEPSS rescore
  11. 2026-07-13 06:10 UTCEPSS rescore
  12. 2026-07-11 08:24 UTCEPSS rescore
  13. 2026-07-07 13:42 UTCEPSS rescore
  14. 2026-07-07 13:42 UTCEPSS rescore
  15. 2026-07-06 16:24 UTCEPSS rescore
  16. 2026-07-06 16:24 UTCEPSS rescore
  17. 2026-07-06 02:20 UTCEPSS rescore
  18. 2026-07-04 06:28 UTCEPSS rescore
  19. 2026-07-04 01:26 UTCOSV refresh
  20. 2026-07-01 15:03 UTCEPSS rescore
  21. 2026-07-01 15:03 UTCEPSS rescore
  22. 2026-06-25 13:47 UTCEPSS rescore
  23. 2026-06-25 13:47 UTCEPSS rescore
  24. 2026-06-24 14:02 UTCEPSS rescore
  25. 2026-06-24 14:02 UTCEPSS rescore
Show 24 more
  1. 2026-06-23 21:30 UTCEPSS rescore
  2. 2026-06-21 14:54 UTCEPSS rescore
  3. 2026-06-21 14:54 UTCEPSS rescore
  4. 2026-06-21 01:57 UTCEPSS rescore
  5. 2026-06-21 01:57 UTCEPSS rescore
  6. 2026-06-17 17:50 UTCEPSS rescore
  7. 2026-06-17 17:50 UTCEPSS rescore
  8. 2026-06-15 17:45 UTCEPSS rescore
  9. 2026-06-15 13:43 UTCOSV refresh
  10. 2026-06-12 23:09 UTCEPSS rescore
  11. 2026-06-11 13:57 UTCEPSS rescore
  12. 2026-06-04 13:10 UTCEPSS rescore
  13. 2026-06-04 13:10 UTCEPSS rescore
  14. 2026-05-31 22:29 UTCEPSS rescore
  15. 2026-05-31 22:28 UTCEPSS rescore
  16. 2026-05-28 13:42 UTCEPSS rescore
  17. 2026-05-28 13:42 UTCEPSS rescore
  18. 2026-05-28 03:22 UTCEG score recompute
  19. 2026-05-28 03:22 UTCGHSA enrichment
  20. 2026-05-26 13:42 UTCEPSS rescore
  21. 2026-05-26 13:42 UTCEPSS rescore
  22. 2026-05-26 07:17 UTCEPSS rescore
  23. 2026-05-26 07:17 UTCEPSS rescore
  24. 2026-05-25 00:43 UTCOSV refresh

Publicly available exploits

(10 references)

Working exploit code is in the public domain (8 GitHub PoCs) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCaltsun/CVE-2018-16763-FuelCMS-1.4.1-RCE
    First seen Jan 8, 2025

    Fuel CMS 1.4.1 - Remote Code Execution

    Open source ↗
  • GitHub PoCnot1cyyy/CVE-2018-16763
    First seen Jan 3, 2023

    CVE-2018-16763 FuelCMS 1.4 Remote Code Execution, this version of FuelCMS is still vulnerable until now

    Open source ↗
  • GitHub PoCp0dalirius/CVE-2018-16763-FuelCMS-1.4.1-RCE
    First seen May 31, 2022

    Exploit to trigger RCE for CVE-2018-16763 on FuelCMS <= 1.4.1 and interactive shell.

    Open source ↗
  • GitHub PoCh3x0v3rl0rd/CVE-2018-16763
    First seen Jan 8, 2022
    Open source ↗
  • Exploit-DBEDB-50477
    First seen Nov 3, 2021

    Fuel CMS 1.4.1 - Remote Code Execution (3)

    Open source ↗
  • GitHub PoCpadsalatushal/CVE-2018-16763
    First seen Nov 3, 2021

    Fuel CMS 1.4.1 - Remote Code Execution

    Open source ↗
  • GitHub PoCkxisxr/Bash-Script-CVE-2018-16763
    First seen Sep 27, 2021

    FUEL CMS 1.4.1 allows PHP Code Evaluation via the pages/select/ filter parameter or the preview/ data parameter. This can lead to Pre-Auth Remote Code Execution.

    Open source ↗
  • GitHub PoCshoamshilo/Fuel-CMS-Remote-Code-Execution-1.4--RCE--
    First seen Mar 7, 2021

    A working PoC to CVE-2018-16763

    Open source ↗
  • Exploit-DBEDB-49487
    First seen Jan 28, 2021

    Fuel CMS 1.4.1 - Remote Code Execution (2)

    Open source ↗
  • GitHub PoCn3m1sys/CVE-2018-16763-Exploit-Python3
    First seen Oct 10, 2020
    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-16763?
CVE-2018-16763 is a critical vulnerability published on September 9, 2018. FUEL CMS 1.4.1 allows PHP Code Evaluation via the pages/select/ filter parameter or the preview/ data parameter. This can lead to Pre-Auth Remote Code Execution.
When was CVE-2018-16763 disclosed?
CVE-2018-16763 was first published in the National Vulnerability Database on September 9, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-16763 actively exploited?
CVE-2018-16763 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-16763?
CVE-2018-16763 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-16763?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-16763, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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