CVE-2026-15302

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-07-10. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 5.3Exploit: None knownExposed: 0

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

The ARMember plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 4.0.27 via the 'X-FILENAME' HTTP header. This makes it possible for unauthenticated attackers to upload and overwrite certain files (e.g., CSS) to directories outside the 'wp-content/uploads/armember' directory.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity53% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
51%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 14, 2026

References (2)

Vendor Advisories for CVE-2026-15302(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 18× in last 7d / 87× 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 117 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-15302?
CVE-2026-15302 is a medium vulnerability published on July 10, 2026. The ARMember plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 4.0.27 via the 'X-FILENAME' HTTP header. This makes it possible for unauthenticated attackers to upload and overwrite certain files (e.g., CSS) to directories outside the…
When was CVE-2026-15302 disclosed?
CVE-2026-15302 was first published in the National Vulnerability Database on July 10, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15302 actively exploited?
CVE-2026-15302 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 49.0% of all scored CVEs.
What is the CVSS score of CVE-2026-15302?
CVE-2026-15302 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-15302?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15302, 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-2026-15302

Explore →

Is Your Infrastructure Affected by CVE-2026-15302?

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

Start Free Scan →Browse All CVEs