CVE-2026-57656

MEDIUMPre-NVD 5.95.9—
EchelonGraph scoreHIGH confidence

Score 5.9 from GitHub Security Advisory published 2026-06-26. a secondary CVSS source baseline 5.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.9Exploit: NoneExposed: 0

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

Author Cross Site Scripting (XSS) in Hester Core <= 1.1.8 versions.

CVSS v3
5.9
EG Score
5.9(high)
EPSS
3.7%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 26, 2026

Advisory Details (1)

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

Cross Site Scripting (XSS) in WordPress Hester Core Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/hester-core/vulnerability/wordpress-hester-core-plugin-1-1-8-cross-site-scripting-xss-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-57656(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 / 31× 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 06:11 UTCEG score recompute
  2. 2026-07-06 06:11 UTCGHSA enrichment
  3. 2026-07-06 02:23 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 07:07 UTCEG score recompute
  6. 2026-07-05 07:07 UTCGHSA enrichment
  7. 2026-07-04 08:03 UTCEG score recompute
  8. 2026-07-04 08:03 UTCGHSA enrichment
  9. 2026-07-04 06:31 UTCEPSS rescore
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-03 08:59 UTCEG score recompute
  12. 2026-07-03 08:58 UTCGHSA enrichment
  13. 2026-07-02 09:55 UTCEG score recompute
  14. 2026-07-02 09:55 UTCGHSA enrichment
  15. 2026-07-01 15:07 UTCEPSS rescore
  16. 2026-07-01 10:53 UTCEG score recompute
  17. 2026-07-01 10:53 UTCGHSA enrichment
  18. 2026-06-30 23:22 UTCEPSS rescore
  19. 2026-06-30 11:49 UTCEG score recompute
  20. 2026-06-30 11:49 UTCGHSA enrichment
  21. 2026-06-29 14:06 UTCEPSS rescore
  22. 2026-06-29 12:45 UTCEG score recompute
  23. 2026-06-29 12:45 UTCGHSA enrichment
  24. 2026-06-28 14:07 UTCEPSS rescore
  25. 2026-06-28 13:42 UTCEG score recompute
Show 6 more
  1. 2026-06-28 13:42 UTCGHSA enrichment
  2. 2026-06-28 04:56 UTCEPSS rescore
  3. 2026-06-27 14:40 UTCEG score recompute
  4. 2026-06-27 14:40 UTCGHSA enrichment
  5. 2026-06-26 15:37 UTCEG score recompute
  6. 2026-06-26 15:37 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-57656?
CVE-2026-57656 is a medium vulnerability published on June 26, 2026. Author Cross Site Scripting (XSS) in Hester Core <= 1.1.8 versions.
When was CVE-2026-57656 disclosed?
CVE-2026-57656 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-2026-57656 actively exploited?
CVE-2026-57656 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-57656?
CVE-2026-57656 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2026-57656?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57656, 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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