CVE-2026-10623

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-06-18. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

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

The PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.3.0 via the 'rule_id' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with custom-level access and above, to modify or delete quiz rules belonging to other teachers, resulting in unauthorized tampering of another user's quiz structure.

CVSS v3
4.3
EG Score
4.3(high)
EPSS
17.3%
KEV
Not listed

Published

June 18, 2026

Last Modified

June 18, 2026

Advisory Details (1)

Auto-updated Jun 18, 2026
Patch available. Sources: github_commit.
github_commit Patch Available

commit 1795687 (PressPrimer/pressprimer-quiz)

Patch available: PressPrimer/pressprimer-quiz v2.3.1 (contains commit 1795687)

https://github.com/PressPrimer/pressprimer-quiz/commit/1795687

Vendor Advisories for CVE-2026-10623(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 20× in last 7d / 60× 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. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 08:27 UTCEG score recompute
  3. 2026-07-06 08:26 UTCGHSA enrichment
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 06:51 UTCEG score recompute
  6. 2026-07-05 06:51 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 06:31 UTCEPSS rescore
  10. 2026-07-04 05:20 UTCEG score recompute
  11. 2026-07-04 05:20 UTCGHSA enrichment
  12. 2026-07-03 03:52 UTCEG score recompute
  13. 2026-07-03 03:52 UTCGHSA enrichment
  14. 2026-07-02 02:07 UTCEG score recompute
  15. 2026-07-02 02:07 UTCGHSA enrichment
  16. 2026-07-01 15:06 UTCEPSS rescore
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-07-01 00:38 UTCEG score recompute
  19. 2026-07-01 00:38 UTCGHSA enrichment
  20. 2026-06-30 23:22 UTCEPSS rescore
  21. 2026-06-29 23:09 UTCEG score recompute
  22. 2026-06-29 23:09 UTCGHSA enrichment
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-28 21:41 UTCEG score recompute
  25. 2026-06-28 21:41 UTCGHSA enrichment
Show 35 more
  1. 2026-06-28 14:07 UTCEPSS rescore
  2. 2026-06-28 04:56 UTCEPSS rescore
  3. 2026-06-28 04:56 UTCEPSS rescore
  4. 2026-06-27 20:12 UTCEG score recompute
  5. 2026-06-27 20:12 UTCGHSA enrichment
  6. 2026-06-27 03:08 UTCEPSS rescore
  7. 2026-06-26 18:43 UTCEG score recompute
  8. 2026-06-26 18:43 UTCGHSA enrichment
  9. 2026-06-25 17:09 UTCEG score recompute
  10. 2026-06-25 17:09 UTCGHSA enrichment
  11. 2026-06-25 13:49 UTCEPSS rescore
  12. 2026-06-24 15:40 UTCEG score recompute
  13. 2026-06-24 15:40 UTCGHSA enrichment
  14. 2026-06-24 14:05 UTCEPSS rescore
  15. 2026-06-23 21:32 UTCEPSS rescore
  16. 2026-06-23 14:12 UTCEG score recompute
  17. 2026-06-23 14:12 UTCGHSA enrichment
  18. 2026-06-22 14:25 UTCEPSS rescore
  19. 2026-06-22 14:25 UTCEPSS rescore
  20. 2026-06-22 12:42 UTCEG score recompute
  21. 2026-06-22 12:42 UTCGHSA enrichment
  22. 2026-06-21 14:56 UTCEPSS rescore
  23. 2026-06-21 14:56 UTCEPSS rescore
  24. 2026-06-21 11:12 UTCEG score recompute
  25. 2026-06-21 11:12 UTCGHSA enrichment
  26. 2026-06-21 01:59 UTCEPSS rescore
  27. 2026-06-21 01:59 UTCEPSS rescore
  28. 2026-06-20 09:44 UTCEG score recompute
  29. 2026-06-20 09:44 UTCGHSA enrichment
  30. 2026-06-19 19:25 UTCEPSS rescore
  31. 2026-06-19 08:15 UTCEG score recompute
  32. 2026-06-19 08:15 UTCGHSA enrichment
  33. 2026-06-18 17:52 UTCEPSS rescore
  34. 2026-06-18 06:47 UTCEG score recompute
  35. 2026-06-18 06:47 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-10623?
CVE-2026-10623 is a medium vulnerability published on June 18, 2026. The PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.3.0 via the 'rule_id' parameter due to missing validation on a user controlled key. This makes it possible for…
When was CVE-2026-10623 disclosed?
CVE-2026-10623 was first published in the National Vulnerability Database on June 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10623 actively exploited?
CVE-2026-10623 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-10623?
CVE-2026-10623 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-10623?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-10623, 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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