CVE-2026-57330

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory published 2026-06-29. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

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

Subscriber Cross Site Scripting (XSS) in MasterStudy LMS <= 3.7.27 versions.

CVSS v3
6.5
EG Score
6.5(high)
EPSS
6.8%
KEV
Not listed

Published

June 29, 2026

Last Modified

June 29, 2026

Advisory Details (1)

Auto-updated Jun 29, 2026
No patch confirmed yet.
generic

Cross Site Scripting (XSS) in WordPress MasterStudy LMS Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-7-27-cross-site-scripting-xss-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-57330(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 24× in last 7d / 26× 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 01:19 UTCEG score recompute
  2. 2026-07-07 01:19 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 23:49 UTCEG score recompute
  8. 2026-07-05 23:49 UTCGHSA enrichment
  9. 2026-07-05 02:31 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 22:19 UTCEG score recompute
  12. 2026-07-04 22:19 UTCGHSA enrichment
  13. 2026-07-04 06:31 UTCEPSS rescore
  14. 2026-07-04 06:31 UTCEPSS rescore
  15. 2026-07-03 20:50 UTCEG score recompute
  16. 2026-07-03 20:50 UTCGHSA enrichment
  17. 2026-07-02 19:21 UTCEG score recompute
  18. 2026-07-02 19:20 UTCGHSA enrichment
  19. 2026-07-01 17:51 UTCEG score recompute
  20. 2026-07-01 17:51 UTCGHSA enrichment
  21. 2026-07-01 15:07 UTCEPSS rescore
  22. 2026-06-30 23:22 UTCEPSS rescore
  23. 2026-06-30 16:22 UTCEG score recompute
  24. 2026-06-30 16:22 UTCGHSA enrichment
  25. 2026-06-29 14:53 UTCEG score recompute
Show 1 more
  1. 2026-06-29 14:52 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-57330?
CVE-2026-57330 is a medium vulnerability published on June 29, 2026. Subscriber Cross Site Scripting (XSS) in MasterStudy LMS <= 3.7.27 versions.
When was CVE-2026-57330 disclosed?
CVE-2026-57330 was first published in the National Vulnerability Database 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-2026-57330 actively exploited?
CVE-2026-57330 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-57330?
CVE-2026-57330 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-57330?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57330, 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-2026-57330

Explore →

Is Your Infrastructure Affected by CVE-2026-57330?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs