CVE-2026-84821

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-10. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

Unauthenticated Broken Access Control in WP Fast Total Search <= 1.82.284 versions.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

September 10, 2026

Last Modified

September 10, 2026

Advisory Details (1)

Auto-updated Sep 10, 2026
No patch confirmed yet.
generic

Broken Access Control in WordPress WP Fast Total Search Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/fulltext-search/vulnerability/wordpress-wp-fast-total-search-plugin-1-82-284-broken-access-control-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-84821(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 26× in last 7d / 59× 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. 2026-09-25 11:11 UTCGHSA enrichment
  2. 2026-09-24 22:06 UTCEG score recompute
  3. 2026-09-24 22:06 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 09:00 UTCGHSA enrichment
  6. 2026-09-23 19:55 UTCEG score recompute
  7. 2026-09-23 19:55 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 06:50 UTCGHSA enrichment
  10. 2026-09-22 17:45 UTCEG score recompute
  11. 2026-09-22 17:45 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 04:34 UTCEG score recompute
  14. 2026-09-22 04:34 UTCGHSA enrichment
  15. 2026-09-21 21:09 UTCEPSS rescore
  16. 2026-09-21 15:28 UTCGHSA enrichment
  17. 2026-09-21 02:23 UTCEG score recompute
  18. 2026-09-21 02:23 UTCGHSA enrichment
  19. 2026-09-20 20:16 UTCEPSS rescore
  20. 2026-09-20 13:17 UTCGHSA enrichment
  21. 2026-09-20 00:11 UTCEG score recompute
  22. 2026-09-20 00:10 UTCGHSA enrichment
  23. 2026-09-19 11:04 UTCGHSA enrichment
  24. 2026-09-18 21:59 UTCEG score recompute
  25. 2026-09-18 21:59 UTCGHSA enrichment
Show 34 more
  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 08:54 UTCGHSA enrichment
  3. 2026-09-17 19:49 UTCEG score recompute
  4. 2026-09-17 19:49 UTCGHSA enrichment
  5. 2026-09-17 19:32 UTCEPSS rescore
  6. 2026-09-17 04:59 UTCGHSA enrichment
  7. 2026-09-16 15:53 UTCEG score recompute
  8. 2026-09-16 15:53 UTCGHSA enrichment
  9. 2026-09-16 14:09 UTCEPSS rescore
  10. 2026-09-16 05:15 UTCEPSS rescore
  11. 2026-09-16 02:48 UTCGHSA enrichment
  12. 2026-09-15 13:43 UTCEG score recompute
  13. 2026-09-15 13:43 UTCGHSA enrichment
  14. 2026-09-15 03:12 UTCEPSS rescore
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-15 00:38 UTCGHSA enrichment
  17. 2026-09-14 11:33 UTCGHSA enrichment
  18. 2026-09-13 22:28 UTCEG score recompute
  19. 2026-09-13 22:28 UTCGHSA enrichment
  20. 2026-09-13 09:23 UTCGHSA enrichment
  21. 2026-09-12 20:17 UTCEG score recompute
  22. 2026-09-12 20:17 UTCGHSA enrichment
  23. 2026-09-12 07:12 UTCGHSA enrichment
  24. 2026-09-11 18:07 UTCEG score recompute
  25. 2026-09-11 18:07 UTCGHSA enrichment
  26. 2026-09-11 14:53 UTCEPSS rescore
  27. 2026-09-11 14:53 UTCEPSS rescore
  28. 2026-09-11 05:02 UTCGHSA enrichment
  29. 2026-09-10 15:57 UTCEG score recompute
  30. 2026-09-10 15:57 UTCGHSA enrichment
  31. 2026-09-10 15:20 UTCEG score recompute
  32. 2026-09-10 14:55 UTCEG score recompute
  33. 2026-09-10 14:35 UTCEG score recompute
  34. 2026-09-10 14:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-84821?
CVE-2026-84821 is a high vulnerability published on September 10, 2026. Unauthenticated Broken Access Control in WP Fast Total Search <= 1.82.284 versions.
When was CVE-2026-84821 disclosed?
CVE-2026-84821 was first published in the National Vulnerability Database on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84821 actively exploited?
CVE-2026-84821 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 69.3% of all scored CVEs.
What is the CVSS score of CVE-2026-84821?
CVE-2026-84821 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-84821?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84821, 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

Explore the affected products and dependency analysis for CVE-2026-84821

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