CVE-2026-27404

HIGHPre-NVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-02. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: None knownExposed: 0

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

Unauthenticated Cross Site Scripting (XSS) in LMS <= 9.7 versions.

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity71% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
17%
KEV
Not listed

Published

July 2, 2026

Last Modified

July 2, 2026

Advisory Details (1)

Auto-updated Jul 3, 2026
Patch available.
generic Patch Available

Cross Site Scripting (XSS) in WordPress LMS Theme - Patchstack

https://patchstack.com/database/wordpress/theme/lms/vulnerability/wordpress-lms-theme-9-7-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-27404(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 9× in last 7d / 72× 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 205 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-27404?
CVE-2026-27404 is a high vulnerability published on July 2, 2026. Unauthenticated Cross Site Scripting (XSS) in LMS <= 9.7 versions.
When was CVE-2026-27404 disclosed?
CVE-2026-27404 was first published in the National Vulnerability Database on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-27404 actively exploited?
CVE-2026-27404 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 83.5% of all scored CVEs.
What is the CVSS score of CVE-2026-27404?
CVE-2026-27404 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-27404?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-27404, 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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