CVE-2020-35235

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 18%CVSS: 8.8Exploit: Elevated riskExposed services: Not assessed

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

vendor/elfinder/php/connector.minimal.php in the secure-file-manager plugin through 2.5 for WordPress loads elFinder code without proper access control. Thus, any authenticated user can run the elFinder upload command to achieve remote code execution. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
56
EG Risk 56/100CISA SSVC

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
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
18%
EPSS %ILE
97th
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

December 14, 2020

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Aug 19, 2026
No fix on record yet.
generic

Secure File Manager – WordPress plugin | WordPress.org

https://wordpress.org/plugins/secure-file-manager/#developers

Data Freshness Timeline

(refreshed 4× in last 7d / 21× 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.

Showing the most recent 100 of 137 total refreshes for this CVE.

  1. 2026-10-06 15:13 UTCEPSS rescore
  2. 2026-10-03 14:22 UTCEPSS rescore
  3. 2026-09-30 15:18 UTCEG score recompute
  4. 2026-09-30 14:59 UTCEPSS rescore
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  6. 2026-09-27 13:41 UTCEPSS rescore
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  1. 2026-09-02 14:08 UTCEPSS rescore
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  5. 2026-08-27 14:21 UTCEPSS rescore
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  21. 2026-08-04 15:06 UTCEPSS rescore
  22. 2026-08-04 10:34 UTCEPSS rescore
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  24. 2026-07-30 16:25 UTCEPSS rescore
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  27. 2026-07-25 14:15 UTCEPSS rescore
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  29. 2026-07-23 14:15 UTCEPSS rescore
  30. 2026-07-23 14:15 UTCEPSS rescore
  31. 2026-07-23 01:53 UTCEG score recompute
  32. 2026-07-22 22:39 UTCEG score recompute
  33. 2026-07-22 14:05 UTCEPSS rescore
  34. 2026-07-21 15:22 UTCEPSS rescore
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  50. 2026-07-12 05:44 UTCEPSS rescore
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  53. 2026-07-09 19:07 UTCEPSS rescore
  54. 2026-07-08 15:12 UTCEPSS rescore
  55. 2026-07-07 13:43 UTCEPSS rescore
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  67. 2026-06-23 21:31 UTCEPSS rescore
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  71. 2026-06-21 14:54 UTCEPSS rescore
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  73. 2026-06-21 01:57 UTCEPSS rescore
  74. 2026-06-18 17:50 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2020-35235?
CVE-2020-35235 is a high vulnerability published on December 14, 2020. vendor/elfinder/php/connector.minimal.php in the secure-file-manager plugin through 2.5 for WordPress loads elFinder code without proper access control. Thus, any authenticated user can run the elFinder upload command to achieve remote code execution. NOTE: This vulnerability only affects products…
When was CVE-2020-35235 disclosed?
CVE-2020-35235 was first published on December 14, 2020, 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-2020-35235 actively exploited?
CVE-2020-35235 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18% probability of exploitation in the next 30 days (97th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2020-35235?
CVE-2020-35235 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2020-35235?
No fix for CVE-2020-35235 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

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