CVE-2026-4297

HIGHPre-NVD 8.88.8
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

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

The Welcome Software Publishing plugin for WordPress is vulnerable to Arbitrary Options Update in all versions up to and including 0.0.31. This is due to a missing capability check in the nc_setOption() function, which is exposed via the nc.setOption XML-RPC method. The function authenticates the user via $wp_xmlrpc_server->login() (verifying credentials are valid) but does not perform any authorization check such as current_user_can('manage_options'). This makes it possible for authenticated attackers, with Subscriber-level access and above, to update arbitrary WordPress options via XML-RPC requests. This can be leveraged to change the default_role option to 'administrator' and then register a new administrator account, achieving full privilege escalation and site takeover.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
37%
KEV
Not listed

Published

June 24, 2026

Last Modified

June 25, 2026

Vendor Advisories for CVE-2026-4297(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 25× in last 7d / 80× 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.

Showing the most recent 100 of 112 total refreshes for this CVE.

  1. 2026-08-03 07:58 UTCGHSA enrichment
  2. 2026-08-02 17:51 UTCGHSA enrichment
  3. 2026-08-02 05:28 UTCEG score recompute
  4. 2026-08-02 05:28 UTCGHSA enrichment
  5. 2026-08-02 02:27 UTCEPSS rescore
  6. 2026-08-01 17:05 UTCGHSA enrichment
  7. 2026-08-01 04:42 UTCEG score recompute
  8. 2026-08-01 04:42 UTCGHSA enrichment
  9. 2026-08-01 04:16 UTCEPSS rescore
  10. 2026-07-31 16:09 UTCGHSA enrichment
  11. 2026-07-31 03:36 UTCEG score recompute
  12. 2026-07-31 03:36 UTCGHSA enrichment
  13. 2026-07-30 16:28 UTCEPSS rescore
  14. 2026-07-30 15:07 UTCEG score recompute
  15. 2026-07-30 15:07 UTCGHSA enrichment
  16. 2026-07-30 02:32 UTCEG score recompute
  17. 2026-07-30 02:32 UTCGHSA enrichment
  18. 2026-07-30 01:30 UTCEPSS rescore
  19. 2026-07-29 13:36 UTCGHSA enrichment
  20. 2026-07-29 01:13 UTCEG score recompute
  21. 2026-07-29 01:13 UTCGHSA enrichment
  22. 2026-07-28 15:37 UTCEPSS rescore
  23. 2026-07-28 06:08 UTCGHSA enrichment
  24. 2026-07-27 17:44 UTCEG score recompute
  25. 2026-07-27 17:44 UTCGHSA enrichment
Show 75 more
  1. 2026-07-27 04:12 UTCGHSA enrichment
  2. 2026-07-26 15:47 UTCEG score recompute
  3. 2026-07-26 15:46 UTCGHSA enrichment
  4. 2026-07-26 14:54 UTCEPSS rescore
  5. 2026-07-25 14:18 UTCEPSS rescore
  6. 2026-07-24 14:18 UTCEPSS rescore
  7. 2026-07-23 14:18 UTCEPSS rescore
  8. 2026-07-23 03:12 UTCEG score recompute
  9. 2026-07-22 14:08 UTCEPSS rescore
  10. 2026-07-21 15:25 UTCEPSS rescore
  11. 2026-07-20 17:08 UTCEPSS rescore
  12. 2026-07-19 14:31 UTCEPSS rescore
  13. 2026-07-19 14:31 UTCEPSS rescore
  14. 2026-07-19 02:29 UTCEPSS rescore
  15. 2026-07-18 10:04 UTCEPSS rescore
  16. 2026-07-17 03:33 UTCGHSA enrichment
  17. 2026-07-16 17:03 UTCEPSS rescore
  18. 2026-07-16 15:06 UTCGHSA enrichment
  19. 2026-07-16 02:31 UTCGHSA enrichment
  20. 2026-07-15 16:57 UTCEPSS rescore
  21. 2026-07-15 16:57 UTCEPSS rescore
  22. 2026-07-15 14:07 UTCGHSA enrichment
  23. 2026-07-15 02:00 UTCEPSS rescore
  24. 2026-07-15 02:00 UTCEPSS rescore
  25. 2026-07-15 01:43 UTCGHSA enrichment
  26. 2026-07-14 13:20 UTCGHSA enrichment
  27. 2026-07-14 00:57 UTCGHSA enrichment
  28. 2026-07-13 22:30 UTCEPSS rescore
  29. 2026-07-13 12:30 UTCGHSA enrichment
  30. 2026-07-13 06:13 UTCEPSS rescore
  31. 2026-07-13 00:06 UTCGHSA enrichment
  32. 2026-07-12 11:42 UTCGHSA enrichment
  33. 2026-07-12 05:46 UTCEPSS rescore
  34. 2026-07-11 23:17 UTCGHSA enrichment
  35. 2026-07-11 10:54 UTCGHSA enrichment
  36. 2026-07-11 08:27 UTCEPSS rescore
  37. 2026-07-10 22:30 UTCGHSA enrichment
  38. 2026-07-10 10:02 UTCGHSA enrichment
  39. 2026-07-09 21:39 UTCGHSA enrichment
  40. 2026-07-09 19:10 UTCEPSS rescore
  41. 2026-07-09 09:15 UTCGHSA enrichment
  42. 2026-07-08 20:52 UTCGHSA enrichment
  43. 2026-07-08 15:16 UTCEPSS rescore
  44. 2026-07-08 08:29 UTCGHSA enrichment
  45. 2026-07-07 20:07 UTCGHSA enrichment
  46. 2026-07-07 13:46 UTCEPSS rescore
  47. 2026-07-07 07:42 UTCGHSA enrichment
  48. 2026-07-06 19:11 UTCGHSA enrichment
  49. 2026-07-06 16:27 UTCEPSS rescore
  50. 2026-07-06 06:45 UTCGHSA enrichment
  51. 2026-07-06 02:23 UTCEPSS rescore
  52. 2026-07-05 18:21 UTCGHSA enrichment
  53. 2026-07-05 05:57 UTCGHSA enrichment
  54. 2026-07-05 02:30 UTCEPSS rescore
  55. 2026-07-04 17:33 UTCGHSA enrichment
  56. 2026-07-04 06:31 UTCEPSS rescore
  57. 2026-07-04 05:09 UTCGHSA enrichment
  58. 2026-07-03 16:42 UTCGHSA enrichment
  59. 2026-07-03 04:18 UTCGHSA enrichment
  60. 2026-07-02 15:51 UTCGHSA enrichment
  61. 2026-07-02 03:27 UTCGHSA enrichment
  62. 2026-07-01 15:07 UTCEPSS rescore
  63. 2026-07-01 15:04 UTCGHSA enrichment
  64. 2026-07-01 02:38 UTCGHSA enrichment
  65. 2026-06-30 23:22 UTCEPSS rescore
  66. 2026-06-30 14:14 UTCGHSA enrichment
  67. 2026-06-30 01:50 UTCGHSA enrichment
  68. 2026-06-29 14:06 UTCEPSS rescore
  69. 2026-06-29 14:06 UTCEPSS rescore
  70. 2026-06-29 13:27 UTCGHSA enrichment
  71. 2026-06-29 01:03 UTCGHSA enrichment
  72. 2026-06-28 14:07 UTCEPSS rescore
  73. 2026-06-28 12:39 UTCGHSA enrichment
  74. 2026-06-28 04:56 UTCEPSS rescore
  75. 2026-06-28 04:56 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-4297?
CVE-2026-4297 is a high vulnerability published on June 24, 2026. The Welcome Software Publishing plugin for WordPress is vulnerable to Arbitrary Options Update in all versions up to and including 0.0.31. This is due to a missing capability check in the ncsetOption() function, which is exposed via the nc.setOption XML-RPC method. The function authenticates the…
When was CVE-2026-4297 disclosed?
CVE-2026-4297 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-4297 actively exploited?
CVE-2026-4297 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 63.1% of all scored CVEs.
What is the CVSS score of CVE-2026-4297?
CVE-2026-4297 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-4297?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-4297, 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-2026-4297

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