CVE-2022-45476

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 1.0%, top 41% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

Tiny File Manager version 2.4.8 executes the code of files uploaded by users of the application, instead of just returning them for download. This is possible because the application is vulnerable to insecure file upload.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
58.5%
KEV
Not listed

Published

November 25, 2022

Last Modified

December 31, 2025

Advisory Details (2)

Auto-updated May 25, 2026
No patch confirmed yet.
generic

GitHub - prasathmani/tinyfilemanager: Single-file PHP file manager, browser and manage your files efficiently and easily with tinyfilemanager · GitHub

https://github.com/prasathmani/tinyfilemanager/
generic

Tiny File Manager 2.4.8 - Remote Command Execution | Fluid Attacks

https://fluidattacks.com/advisories/mosey/

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 39× 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. 2026-07-24 14:15 UTCEPSS rescore
  2. 2026-07-23 14:16 UTCEPSS rescore
  3. 2026-07-23 02:15 UTCEG score recompute
  4. 2026-07-22 23:02 UTCEG score recompute▲ 1.00
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  1. 2026-07-06 02:21 UTCEPSS rescore
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  69. 2026-05-26 07:17 UTCEPSS rescore
  70. 2026-05-25 11:33 UTCEG score recompute
  71. 2026-05-25 11:33 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2022-45476?
CVE-2022-45476 is a critical vulnerability published on November 25, 2022. Tiny File Manager version 2.4.8 executes the code of files uploaded by users of the application, instead of just returning them for download. This is possible because the application is vulnerable to insecure file upload.
When was CVE-2022-45476 disclosed?
CVE-2022-45476 was first published in the National Vulnerability Database on November 25, 2022, with the most recent update on December 31, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-45476 actively exploited?
CVE-2022-45476 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 58.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-45476?
CVE-2022-45476 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-45476?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-45476, 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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