CVE-2026-54833

HIGHPre-NVD 7.47.4—
EchelonGraph scoreHIGH confidence

Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2026-06-26. a secondary CVSS source baseline 7.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.4
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.4Exploit: NoneExposed: 0

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

Unauthenticated Backdoor in Enable CORS <= 2.0.3 versions.

CVSS v3
7.4
EG Score
7.4(high)
EPSS
14.6%
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

Backdoor in WordPress Enable CORS Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/enable-cors/vulnerability/wordpress-enable-cors-plugin-2-0-3-backdoor-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-54833(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 41× in last 7d / 62× 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 06:44 UTCEG score recompute
  2. 2026-07-07 06:44 UTCGHSA enrichment
  3. 2026-07-06 19:06 UTCEG score recompute
  4. 2026-07-06 19:05 UTCGHSA enrichment
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 16:27 UTCEPSS rescore
  7. 2026-07-06 07:31 UTCEG score recompute
  8. 2026-07-06 07:31 UTCGHSA enrichment
  9. 2026-07-06 02:23 UTCEPSS rescore
  10. 2026-07-06 02:23 UTCEPSS rescore
  11. 2026-07-05 19:55 UTCEG score recompute
  12. 2026-07-05 19:55 UTCGHSA enrichment
  13. 2026-07-05 08:22 UTCEG score recompute
  14. 2026-07-05 08:22 UTCGHSA enrichment
  15. 2026-07-05 02:31 UTCEPSS rescore
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-07-04 20:48 UTCEG score recompute
  18. 2026-07-04 20:48 UTCGHSA enrichment
  19. 2026-07-04 09:15 UTCEG score recompute
  20. 2026-07-04 09:15 UTCGHSA enrichment
  21. 2026-07-04 06:31 UTCEPSS rescore
  22. 2026-07-04 06:31 UTCEPSS rescore
  23. 2026-07-03 21:41 UTCEG score recompute
  24. 2026-07-03 21:41 UTCGHSA enrichment
  25. 2026-07-03 10:08 UTCEG score recompute
Show 37 more
  1. 2026-07-03 10:08 UTCGHSA enrichment
  2. 2026-07-02 22:31 UTCEG score recompute
  3. 2026-07-02 22:31 UTCGHSA enrichment
  4. 2026-07-02 10:58 UTCEG score recompute
  5. 2026-07-02 10:57 UTCGHSA enrichment
  6. 2026-07-02 10:56 UTCGHSA enrichment
  7. 2026-07-01 23:11 UTCEG score recompute
  8. 2026-07-01 23:11 UTCGHSA enrichment
  9. 2026-07-01 15:07 UTCEPSS rescore
  10. 2026-07-01 11:35 UTCEG score recompute
  11. 2026-07-01 11:35 UTCGHSA enrichment
  12. 2026-07-01 00:03 UTCEG score recompute
  13. 2026-07-01 00:02 UTCGHSA enrichment
  14. 2026-06-30 23:22 UTCEPSS rescore
  15. 2026-06-30 12:27 UTCEG score recompute
  16. 2026-06-30 12:27 UTCGHSA enrichment
  17. 2026-06-30 00:50 UTCEG score recompute
  18. 2026-06-30 00:50 UTCGHSA enrichment
  19. 2026-06-29 14:06 UTCEPSS rescore
  20. 2026-06-29 14:06 UTCEPSS rescore
  21. 2026-06-29 13:17 UTCEG score recompute
  22. 2026-06-29 13:16 UTCGHSA enrichment
  23. 2026-06-29 01:43 UTCEG score recompute
  24. 2026-06-29 01:43 UTCGHSA enrichment
  25. 2026-06-28 14:10 UTCEG score recompute
  26. 2026-06-28 14:10 UTCGHSA enrichment
  27. 2026-06-28 14:07 UTCEPSS rescore
  28. 2026-06-28 04:56 UTCEPSS rescore
  29. 2026-06-28 04:56 UTCEPSS rescore
  30. 2026-06-28 02:37 UTCEG score recompute
  31. 2026-06-28 02:37 UTCGHSA enrichment
  32. 2026-06-27 15:04 UTCEG score recompute
  33. 2026-06-27 15:03 UTCGHSA enrichment
  34. 2026-06-27 03:29 UTCEG score recompute
  35. 2026-06-27 03:29 UTCGHSA enrichment
  36. 2026-06-26 15:43 UTCEG score recompute
  37. 2026-06-26 15:43 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-54833?
CVE-2026-54833 is a high vulnerability published on June 26, 2026. Unauthenticated Backdoor in Enable CORS <= 2.0.3 versions.
When was CVE-2026-54833 disclosed?
CVE-2026-54833 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-2026-54833 actively exploited?
CVE-2026-54833 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-54833?
CVE-2026-54833 has a CVSS v3 base score of 7.4 (NVD).
How do I remediate CVE-2026-54833?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-54833, 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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