CVE-2026-57321

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-26. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.1Exploit: NoneExposed: 0

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

Contributor Arbitrary File Deletion in H5P <= 1.17.7 versions.

CVSS v3
7.1
EG Score
7.1(high)
EPSS
21.1%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 29, 2026

Advisory Details (1)

Auto-updated Jun 26, 2026
No patch confirmed yet.
generic

Arbitrary File Deletion in WordPress H5P Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/h5p/vulnerability/wordpress-h5p-plugin-1-17-7-arbitrary-file-deletion-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-57321(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 38× in last 7d / 57× 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 04:20 UTCEG score recompute
  2. 2026-07-07 04:20 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 16:16 UTCEG score recompute
  6. 2026-07-06 16:16 UTCGHSA enrichment
  7. 2026-07-06 04:12 UTCEG score recompute
  8. 2026-07-06 04:12 UTCGHSA enrichment
  9. 2026-07-06 02:23 UTCEPSS rescore
  10. 2026-07-06 02:23 UTCEPSS rescore
  11. 2026-07-05 16:09 UTCEG score recompute
  12. 2026-07-05 16:09 UTCGHSA enrichment
  13. 2026-07-05 04:07 UTCEG score recompute
  14. 2026-07-05 04:07 UTCGHSA enrichment
  15. 2026-07-05 02:31 UTCEPSS rescore
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-07-04 16:04 UTCEG score recompute
  18. 2026-07-04 16:04 UTCGHSA enrichment
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-04 06:31 UTCEPSS rescore
  21. 2026-07-04 04:02 UTCEG score recompute
  22. 2026-07-04 04:01 UTCGHSA enrichment
  23. 2026-07-03 15:59 UTCEG score recompute
  24. 2026-07-03 15:59 UTCGHSA enrichment
  25. 2026-07-03 03:58 UTCEG score recompute
Show 32 more
  1. 2026-07-03 03:58 UTCGHSA enrichment
  2. 2026-07-02 15:58 UTCEG score recompute
  3. 2026-07-02 15:58 UTCGHSA enrichment
  4. 2026-07-02 03:56 UTCEG score recompute
  5. 2026-07-02 03:56 UTCGHSA enrichment
  6. 2026-07-01 15:55 UTCEG score recompute
  7. 2026-07-01 15:55 UTCGHSA enrichment
  8. 2026-07-01 15:07 UTCEPSS rescore
  9. 2026-07-01 03:54 UTCEG score recompute
  10. 2026-07-01 03:54 UTCGHSA enrichment
  11. 2026-06-30 23:22 UTCEPSS rescore
  12. 2026-06-30 15:53 UTCEG score recompute
  13. 2026-06-30 15:53 UTCGHSA enrichment
  14. 2026-06-30 03:51 UTCEG score recompute
  15. 2026-06-30 03:51 UTCGHSA enrichment
  16. 2026-06-29 15:50 UTCEG score recompute
  17. 2026-06-29 15:50 UTCGHSA enrichment
  18. 2026-06-29 14:06 UTCEPSS rescore
  19. 2026-06-29 03:49 UTCEG score recompute
  20. 2026-06-29 03:48 UTCGHSA enrichment
  21. 2026-06-28 15:44 UTCEG score recompute
  22. 2026-06-28 15:44 UTCGHSA enrichment
  23. 2026-06-28 14:07 UTCEPSS rescore
  24. 2026-06-28 04:56 UTCEPSS rescore
  25. 2026-06-28 03:42 UTCEG score recompute
  26. 2026-06-28 03:42 UTCGHSA enrichment
  27. 2026-06-27 15:41 UTCEG score recompute
  28. 2026-06-27 15:41 UTCGHSA enrichment
  29. 2026-06-27 03:40 UTCEG score recompute
  30. 2026-06-27 03:40 UTCGHSA enrichment
  31. 2026-06-26 15:39 UTCEG score recompute
  32. 2026-06-26 15:38 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-57321?
CVE-2026-57321 is a high vulnerability published on June 26, 2026. Contributor Arbitrary File Deletion in H5P <= 1.17.7 versions.
When was CVE-2026-57321 disclosed?
CVE-2026-57321 was first published in the National Vulnerability Database on June 26, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57321 actively exploited?
CVE-2026-57321 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-57321?
CVE-2026-57321 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-57321?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57321, 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-2026-57321

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