CVE-2026-10823

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH 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
Trending — 3 sources updated this weekElevated
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 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(high)
EPSS
56.0%
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 38× in last 7d / 50× 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. 2026-07-07 01:05 UTCEG score recompute
  2. 2026-07-07 01:05 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 14:01 UTCEG score recompute
  5. 2026-07-06 14:01 UTCGHSA enrichment
  6. 2026-07-06 02:56 UTCEG score recompute
  7. 2026-07-06 02:56 UTCGHSA enrichment
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 15:52 UTCEG score recompute
  10. 2026-07-05 15:52 UTCGHSA enrichment
  11. 2026-07-05 04:49 UTCEG score recompute
  12. 2026-07-05 04:48 UTCGHSA enrichment
  13. 2026-07-05 02:30 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 17:37 UTCEG score recompute
  16. 2026-07-04 17:37 UTCGHSA enrichment
  17. 2026-07-04 06:34 UTCEG score recompute
  18. 2026-07-04 06:33 UTCGHSA enrichment
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-03 19:28 UTCEG score recompute
  21. 2026-07-03 19:28 UTCGHSA enrichment
  22. 2026-07-03 08:25 UTCEG score recompute
  23. 2026-07-03 08:25 UTCGHSA enrichment
  24. 2026-07-02 21:20 UTCEG score recompute
  25. 2026-07-02 21:20 UTCGHSA enrichment
Show 25 more
  1. 2026-07-02 10:16 UTCEG score recompute
  2. 2026-07-02 10:16 UTCGHSA enrichment
  3. 2026-07-01 23:13 UTCEG score recompute
  4. 2026-07-01 23:13 UTCGHSA enrichment
  5. 2026-07-01 15:06 UTCEPSS rescore
  6. 2026-07-01 15:06 UTCEPSS rescore
  7. 2026-07-01 12:10 UTCEG score recompute
  8. 2026-07-01 12:10 UTCGHSA enrichment
  9. 2026-07-01 01:07 UTCEG score recompute
  10. 2026-07-01 01:06 UTCGHSA enrichment
  11. 2026-06-30 23:22 UTCEPSS rescore
  12. 2026-06-30 14:02 UTCEG score recompute
  13. 2026-06-30 14:01 UTCGHSA enrichment
  14. 2026-06-30 02:56 UTCEG score recompute
  15. 2026-06-30 02:56 UTCGHSA enrichment
  16. 2026-06-29 15:51 UTCEG score recompute▲ 7.50
  17. 2026-06-29 15:51 UTCGHSA enrichment
  18. 2026-06-29 14:06 UTCEPSS rescore
  19. 2026-06-28 14:07 UTCEPSS rescore
  20. 2026-06-28 04:56 UTCEPSS rescore
  21. 2026-06-28 04:56 UTCEPSS rescore
  22. 2026-06-27 03:08 UTCEPSS rescore
  23. 2026-06-26 13:40 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  24. 2026-06-26 09:39 UTCEG score recompute
  25. 2026-06-26 09:38 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 56.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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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