CVE-2026-74803

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 10.0 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 76% 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, secondary
Trending — 3 sources updated this week
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 10.0Exploit: None knownExposed: 0

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

Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64 - The image element accepts arbitrary files when the client-supplied Content-Type falls within the image MIME group.

CVSS v3
10.0
EG Score
10.0(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity100% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

August 19, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Sep 16, 2026
No patch confirmed yet.
generic

YOOtheme Pro: The ultimate website builder for WordPress and Joomla

https://www.yootheme.com/

Vendor Advisories for CVE-2026-74803(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 52× in last 7d / 234× 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 257 total refreshes for this CVE.

  1. 2026-09-20 13:36 UTCGHSA enrichment
  2. 2026-09-20 09:10 UTCGHSA enrichment
  3. 2026-09-20 02:34 UTCGHSA enrichment
  4. 2026-09-19 22:44 UTCGHSA enrichment
  5. 2026-09-19 18:34 UTCEG score recompute
  6. 2026-09-19 18:34 UTCGHSA enrichment
  7. 2026-09-19 14:21 UTCGHSA enrichment
  8. 2026-09-19 10:17 UTCGHSA enrichment
  9. 2026-09-19 05:23 UTCGHSA enrichment
  10. 2026-09-19 01:39 UTCGHSA enrichment
  11. 2026-09-18 21:46 UTCEG score recompute
  12. 2026-09-18 21:46 UTCGHSA enrichment
  13. 2026-09-18 19:28 UTCEPSS rescore
  14. 2026-09-18 16:38 UTCGHSA enrichment
  15. 2026-09-18 12:30 UTCGHSA enrichment
  16. 2026-09-18 08:46 UTCGHSA enrichment
  17. 2026-09-18 05:02 UTCGHSA enrichment
  18. 2026-09-18 01:18 UTCGHSA enrichment
  19. 2026-09-17 21:34 UTCEG score recompute
  20. 2026-09-17 21:34 UTCGHSA enrichment
  21. 2026-09-17 15:03 UTCGHSA enrichment
  22. 2026-09-17 11:19 UTCGHSA enrichment
  23. 2026-09-17 07:34 UTCGHSA enrichment
  24. 2026-09-17 03:36 UTCGHSA enrichment
  25. 2026-09-16 23:52 UTCGHSA enrichment
Show 75 more
  1. 2026-09-16 20:08 UTCGHSA enrichment
  2. 2026-09-16 14:41 UTCEG score recompute
  3. 2026-09-16 14:41 UTCGHSA enrichment
  4. 2026-09-16 14:08 UTCEPSS rescore
  5. 2026-09-16 10:55 UTCGHSA enrichment
  6. 2026-09-16 07:12 UTCEG score recompute
  7. 2026-09-16 07:12 UTCGHSA enrichment
  8. 2026-09-16 05:15 UTCEPSS rescore
  9. 2026-09-16 03:28 UTCGHSA enrichment
  10. 2026-09-15 23:44 UTCGHSA enrichment
  11. 2026-09-15 19:06 UTCGHSA enrichment
  12. 2026-09-15 15:15 UTCGHSA enrichment
  13. 2026-09-15 11:19 UTCGHSA enrichment
  14. 2026-09-15 07:23 UTCGHSA enrichment
  15. 2026-09-15 03:39 UTCEG score recompute
  16. 2026-09-15 03:39 UTCGHSA enrichment
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-14 23:55 UTCGHSA enrichment
  19. 2026-09-14 19:25 UTCGHSA enrichment
  20. 2026-09-14 15:36 UTCGHSA enrichment
  21. 2026-09-14 11:52 UTCGHSA enrichment
  22. 2026-09-14 08:08 UTCGHSA enrichment
  23. 2026-09-14 04:24 UTCGHSA enrichment
  24. 2026-09-14 00:40 UTCGHSA enrichment
  25. 2026-09-13 20:57 UTCGHSA enrichment
  26. 2026-09-13 17:13 UTCEG score recompute
  27. 2026-09-13 17:13 UTCGHSA enrichment
  28. 2026-09-13 13:29 UTCGHSA enrichment
  29. 2026-09-13 09:45 UTCGHSA enrichment
  30. 2026-09-13 06:02 UTCGHSA enrichment
  31. 2026-09-13 02:18 UTCGHSA enrichment
  32. 2026-09-12 22:33 UTCGHSA enrichment
  33. 2026-09-12 18:49 UTCGHSA enrichment
  34. 2026-09-12 15:05 UTCEG score recompute
  35. 2026-09-12 15:05 UTCGHSA enrichment
  36. 2026-09-12 15:02 UTCEPSS rescore
  37. 2026-09-12 11:20 UTCGHSA enrichment
  38. 2026-09-12 07:28 UTCGHSA enrichment
  39. 2026-09-12 03:44 UTCGHSA enrichment
  40. 2026-09-12 00:00 UTCGHSA enrichment
  41. 2026-09-11 20:16 UTCGHSA enrichment
  42. 2026-09-11 16:13 UTCEG score recompute
  43. 2026-09-11 16:13 UTCGHSA enrichment
  44. 2026-09-11 14:53 UTCEPSS rescore
  45. 2026-09-11 12:19 UTCEG score recompute
  46. 2026-09-11 12:19 UTCGHSA enrichment
  47. 2026-09-11 07:54 UTCGHSA enrichment
  48. 2026-09-11 04:10 UTCGHSA enrichment
  49. 2026-09-11 00:26 UTCGHSA enrichment
  50. 2026-09-10 20:21 UTCGHSA enrichment
  51. 2026-09-10 16:37 UTCGHSA enrichment
  52. 2026-09-10 12:20 UTCEG score recompute
  53. 2026-09-10 12:19 UTCGHSA enrichment
  54. 2026-09-10 09:35 UTCEPSS rescore
  55. 2026-09-10 08:34 UTCGHSA enrichment
  56. 2026-09-10 04:41 UTCGHSA enrichment
  57. 2026-09-10 00:56 UTCGHSA enrichment
  58. 2026-09-09 18:31 UTCGHSA enrichment
  59. 2026-09-09 14:47 UTCGHSA enrichment
  60. 2026-09-09 10:09 UTCGHSA enrichment
  61. 2026-09-09 06:24 UTCGHSA enrichment
  62. 2026-09-09 02:41 UTCEG score recompute
  63. 2026-09-09 02:41 UTCGHSA enrichment
  64. 2026-09-08 22:01 UTCEPSS rescore
  65. 2026-09-08 06:40 UTCGHSA enrichment
  66. 2026-09-08 02:56 UTCGHSA enrichment
  67. 2026-09-07 23:12 UTCGHSA enrichment
  68. 2026-09-07 19:28 UTCEG score recompute
  69. 2026-09-07 19:28 UTCGHSA enrichment
  70. 2026-09-07 15:44 UTCGHSA enrichment
  71. 2026-09-07 11:09 UTCGHSA enrichment
  72. 2026-09-07 07:01 UTCGHSA enrichment
  73. 2026-09-07 03:02 UTCGHSA enrichment
  74. 2026-09-06 22:07 UTCGHSA enrichment
  75. 2026-09-06 18:20 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-74803?
CVE-2026-74803 is a critical vulnerability published on August 19, 2026. Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64 - The image element accepts arbitrary files when the client-supplied Content-Type falls within the image MIME group.
When was CVE-2026-74803 disclosed?
CVE-2026-74803 was first published in the National Vulnerability Database on August 19, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-74803 actively exploited?
CVE-2026-74803 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 75.8% of all scored CVEs.
What is the CVSS score of CVE-2026-74803?
CVE-2026-74803 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2026-74803?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-74803, 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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