CVE-2011-4908

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 61.9%, top 2% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Weaponized
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 56%
CISA-KEV: Not listedEPSS: 56%CVSS: 9.8Exploit: NoneExposed: 0

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

TinyBrowser plugin for Joomla! before 1.5.13 allows arbitrary file upload via upload.php.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
98.9%
KEV
Not listed

Published

February 12, 2020

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Jun 6, 2026
No patch confirmed yet.
generic

oss-security - Re: CVE-request for three 2009 Joomla issues

https://www.openwall.com/lists/oss-security/2011/12/25/7
generic

CVE-2011-4908

https://vulmon.com/vulnerabilitydetails?qid=CVE-2011-4908

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 3× in last 7d / 29× 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. 2026-07-11 08:22 UTCEPSS rescore
  2. 2026-07-09 19:05 UTCEPSS rescore
  3. 2026-07-05 02:26 UTCEPSS rescore
  4. 2026-07-02 14:01 UTCEPSS rescore
  5. 2026-07-01 15:02 UTCEPSS rescore
  6. 2026-06-30 23:19 UTCEPSS rescore
  7. 2026-06-30 23:19 UTCEPSS rescore
  8. 2026-06-28 04:53 UTCEPSS rescore
  9. 2026-06-28 04:53 UTCEPSS rescore
  10. 2026-06-27 03:05 UTCEPSS rescore
  11. 2026-06-27 03:05 UTCEPSS rescore
  12. 2026-06-25 13:46 UTCEPSS rescore
  13. 2026-06-25 13:46 UTCEPSS rescore
  14. 2026-06-24 14:02 UTCEPSS rescore
  15. 2026-06-24 14:02 UTCEPSS rescore
  16. 2026-06-23 21:30 UTCEPSS rescore
  17. 2026-06-21 01:56 UTCEPSS rescore
  18. 2026-06-21 01:56 UTCEPSS rescore
  19. 2026-06-19 19:22 UTCEPSS rescore
  20. 2026-06-19 19:22 UTCEPSS rescore
  21. 2026-06-18 17:49 UTCEPSS rescore
  22. 2026-06-18 17:49 UTCEPSS rescore
  23. 2026-06-17 17:49 UTCEPSS rescore
  24. 2026-06-17 17:49 UTCEPSS rescore
  25. 2026-06-16 17:49 UTCEPSS rescore
Show 26 more
  1. 2026-06-16 17:49 UTCEPSS rescore
  2. 2026-06-15 17:44 UTCEPSS rescore
  3. 2026-06-13 22:57 UTCEPSS rescore
  4. 2026-06-12 23:08 UTCEPSS rescore
  5. 2026-06-10 22:14 UTCEPSS rescore
  6. 2026-06-10 13:18 UTCEPSS rescore
  7. 2026-06-08 14:14 UTCEPSS rescore
  8. 2026-06-08 14:14 UTCEPSS rescore
  9. 2026-06-06 13:45 UTCEPSS rescore
  10. 2026-06-06 13:45 UTCEPSS rescore
  11. 2026-06-05 22:44 UTCEPSS rescore
  12. 2026-06-05 22:44 UTCEPSS rescore
  13. 2026-06-05 06:08 UTCEPSS rescore
  14. 2026-06-05 06:08 UTCEPSS rescore
  15. 2026-06-04 13:09 UTCEPSS rescore
  16. 2026-06-02 20:10 UTCEPSS rescore
  17. 2026-06-02 20:10 UTCEPSS rescore
  18. 2026-06-01 13:49 UTCEPSS rescore
  19. 2026-05-31 00:14 UTCEPSS rescore
  20. 2026-05-31 00:14 UTCEPSS rescore
  21. 2026-05-29 13:41 UTCEPSS rescore
  22. 2026-05-27 13:38 UTCEPSS rescore
  23. 2026-05-27 13:38 UTCEPSS rescore
  24. 2026-05-27 07:46 UTCEG score recompute
  25. 2026-05-27 07:46 UTCGHSA enrichment
  26. 2026-05-24 16:43 UTCEPSS rescore

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-9296✓ verified
    First seen Jul 28, 2009

    TinyBrowser (TinyMCE Editor File browser) 1.41.6 - Multiple Vulnerabilities

    Open source ↗
  • Exploit-DBEDB-9926✓ verified
    First seen Jul 22, 2009

    Joomla! Plugin tinybrowser 1.5.12 - Arbitrary File Upload / Execution

    Open source ↗
  • Metasploitexploit/unix/webapp/joomla_tinybrowser✓ verified
    First seen Jul 22, 2009

    Joomla 1.5.12 TinyBrowser File Upload Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2011-4908?
CVE-2011-4908 is a critical vulnerability published on February 12, 2020. TinyBrowser plugin for Joomla! before 1.5.13 allows arbitrary file upload via upload.php.
When was CVE-2011-4908 disclosed?
CVE-2011-4908 was first published in the National Vulnerability Database on February 12, 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-2011-4908 actively exploited?
CVE-2011-4908 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2011-4908?
CVE-2011-4908 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2011-4908?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4908, 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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