CVE-2026-10823

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-26. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Elevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 7.5Exploit: Elevated riskExposed: 0

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

The YMC Filter WordPress plugin before 3.11.3 does not properly authorize access to one of its REST API endpoints and does not validate a user-supplied query parameter, allowing unauthenticated attackers to retrieve the titles and content of private, draft, and other non-public posts.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
54(Track)
EG Risk 54/100SSVC: 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%
Exploitation40% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
73%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 26, 2026

Advisory Details (1)

Auto-updated Jun 26, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

YMC Smart Filter < 3.11.3 – Unauthenticated Private/Draft Post Disclosure | CVE 2026-10823 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/b55ebf9e-a05d-4ae4-b653-da7db63e76d2/

Vendor Advisories for CVE-2026-10823(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 61× 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 209 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Nucleihttp/cves/2026/CVE-2026-10823.yaml
    First seen Jan 1, 2026

    YMC Filter WordPress - Unauthenticated Post Disclosure

    Open source ↗

Frequently asked(5)

What is CVE-2026-10823?
CVE-2026-10823 is a high vulnerability published on June 26, 2026. The YMC Filter WordPress plugin before 3.11.3 does not properly authorize access to one of its REST API endpoints and does not validate a user-supplied query parameter, allowing unauthenticated attackers to retrieve the titles and content of private, draft, and other non-public posts.
When was CVE-2026-10823 disclosed?
CVE-2026-10823 was first published in the National Vulnerability Database on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10823 actively exploited?
CVE-2026-10823 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 26.8% of all scored CVEs.
What is the CVSS score of CVE-2026-10823?
CVE-2026-10823 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-10823?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-10823, 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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