CVE-2018-11331

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. 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 week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

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

An issue was discovered in Pluck before 4.7.6. Remote PHP code execution is possible because the set of disallowed filetypes for uploads in missing some applicable ones such as .phtml and .htaccess.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
—
EPSS
81.2%
KEV
Not listed

Published

May 21, 2018

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Jun 23, 2026
Patch available. Sources: github_commit.
generic

Xss & file upload vuln. Please advise. · Issue #58 · pluck-cms/pluck · GitHub

https://github.com/pluck-cms/pluck/issues/58
github_commit Patch Available

commit 8f6541e60c94 (pluck-cms/pluck)

Patch available: pluck-cms/pluck 4.7.10-dev1 (contains commit 8f6541e60c94)

https://github.com/pluck-cms/pluck/commit/8f6541e60c9435e82e9c531a20cb3c218d36976e

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 41× 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. 2026-07-22 22:12 UTCEG score recompute
  2. 2026-07-22 14:04 UTCEPSS rescore
  3. 2026-07-21 15:21 UTCEPSS rescore
  4. 2026-07-21 12:48 UTCOSV refresh
  5. 2026-07-20 17:04 UTCEPSS rescore
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  1. 2026-07-04 08:26 UTCOSV refresh
  2. 2026-07-04 06:28 UTCEPSS rescore
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  29. 2026-06-15 19:43 UTCOSV refresh
  30. 2026-06-15 17:45 UTCEPSS rescore
  31. 2026-06-14 23:14 UTCEPSS rescore
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  43. 2026-06-06 13:45 UTCEPSS rescore
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  45. 2026-06-05 22:45 UTCEPSS rescore
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  51. 2026-06-02 20:11 UTCEPSS rescore
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  54. 2026-05-31 22:29 UTCEPSS rescore
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  56. 2026-05-31 00:14 UTCEPSS rescore
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  58. 2026-05-29 13:41 UTCEPSS rescore
  59. 2026-05-28 13:42 UTCEPSS rescore
  60. 2026-05-28 13:42 UTCEPSS rescore
  61. 2026-05-28 07:57 UTCEG score recompute
  62. 2026-05-28 07:57 UTCGHSA enrichment
  63. 2026-05-27 13:38 UTCEPSS rescore
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  65. 2026-05-26 13:42 UTCEPSS rescore
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  67. 2026-05-26 07:17 UTCEPSS rescore
  68. 2026-05-26 07:17 UTCEPSS rescore
  69. 2026-05-25 12:46 UTCOSV refresh

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Frequently asked(5)

What is CVE-2018-11331?
CVE-2018-11331 is a critical vulnerability published on May 21, 2018. An issue was discovered in Pluck before 4.7.6. Remote PHP code execution is possible because the set of disallowed filetypes for uploads in missing some applicable ones such as .phtml and .htaccess.
When was CVE-2018-11331 disclosed?
CVE-2018-11331 was first published in the National Vulnerability Database on May 21, 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-2018-11331 actively exploited?
CVE-2018-11331 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-11331?
CVE-2018-11331 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-11331?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-11331, 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.

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