CVE-2026-81290

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-31. 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 Email Subscribers & Newsletters <= 5.9.33 versions.

CVSS v3
7.1
EG Score
7.1(high)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

August 31, 2026

Last Modified

September 1, 2026

Advisory Details (1)

Auto-updated Aug 31, 2026
No patch confirmed yet.
generic

Cross Site Scripting (XSS) in WordPress Email Subscribers & Newsletters Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/email-subscribers/vulnerability/wordpress-email-subscribers-newsletters-plugin-5-9-33-cross-site-scripting-xss-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-81290(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 / 93× 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. 2026-09-25 04:24 UTCGHSA enrichment
  2. 2026-09-24 16:48 UTCEG score recompute
  3. 2026-09-24 16:48 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 05:12 UTCEG score recompute
  6. 2026-09-24 05:12 UTCGHSA enrichment
  7. 2026-09-23 17:54 UTCEPSS rescore
  8. 2026-09-23 17:36 UTCGHSA enrichment
  9. 2026-09-23 05:46 UTCGHSA enrichment
  10. 2026-09-22 18:11 UTCGHSA enrichment
  11. 2026-09-22 05:39 UTCEG score recompute
  12. 2026-09-22 05:39 UTCGHSA enrichment
  13. 2026-09-21 21:09 UTCEPSS rescore
  14. 2026-09-21 18:03 UTCGHSA enrichment
  15. 2026-09-21 06:26 UTCEG score recompute
  16. 2026-09-21 06:26 UTCGHSA enrichment
  17. 2026-09-20 20:16 UTCEPSS rescore
  18. 2026-09-20 18:50 UTCGHSA enrichment
  19. 2026-09-20 07:15 UTCGHSA enrichment
  20. 2026-09-19 19:21 UTCEG score recompute
  21. 2026-09-19 19:21 UTCGHSA enrichment
  22. 2026-09-19 07:38 UTCGHSA enrichment
  23. 2026-09-18 20:01 UTCEG score recompute
  24. 2026-09-18 20:00 UTCGHSA enrichment
  25. 2026-09-18 19:28 UTCEPSS rescore
Show 68 more
  1. 2026-09-18 08:23 UTCGHSA enrichment
  2. 2026-09-17 20:47 UTCEG score recompute
  3. 2026-09-17 20:47 UTCGHSA enrichment
  4. 2026-09-17 09:04 UTCGHSA enrichment
  5. 2026-09-16 21:29 UTCEG score recompute
  6. 2026-09-16 21:29 UTCGHSA enrichment
  7. 2026-09-16 14:08 UTCEPSS rescore
  8. 2026-09-16 09:08 UTCEG score recompute
  9. 2026-09-16 09:08 UTCGHSA enrichment
  10. 2026-09-16 05:15 UTCEPSS rescore
  11. 2026-09-15 20:54 UTCGHSA enrichment
  12. 2026-09-15 08:48 UTCEG score recompute
  13. 2026-09-15 08:48 UTCGHSA enrichment
  14. 2026-09-15 03:12 UTCEPSS rescore
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-14 21:12 UTCGHSA enrichment
  17. 2026-09-14 09:31 UTCGHSA enrichment
  18. 2026-09-13 21:56 UTCEG score recompute
  19. 2026-09-13 21:56 UTCGHSA enrichment
  20. 2026-09-13 10:20 UTCGHSA enrichment
  21. 2026-09-12 22:44 UTCEG score recompute
  22. 2026-09-12 22:44 UTCGHSA enrichment
  23. 2026-09-12 11:08 UTCGHSA enrichment
  24. 2026-09-11 23:18 UTCGHSA enrichment
  25. 2026-09-11 10:51 UTCEG score recompute
  26. 2026-09-11 10:51 UTCGHSA enrichment
  27. 2026-09-10 23:15 UTCGHSA enrichment
  28. 2026-09-10 11:39 UTCEG score recompute
  29. 2026-09-10 11:39 UTCGHSA enrichment
  30. 2026-09-09 23:42 UTCGHSA enrichment
  31. 2026-09-09 11:04 UTCGHSA enrichment
  32. 2026-09-08 23:28 UTCEG score recompute
  33. 2026-09-08 23:28 UTCGHSA enrichment
  34. 2026-09-08 22:01 UTCEPSS rescore
  35. 2026-09-08 03:59 UTCGHSA enrichment
  36. 2026-09-07 16:23 UTCEG score recompute
  37. 2026-09-07 16:23 UTCGHSA enrichment
  38. 2026-09-07 04:45 UTCGHSA enrichment
  39. 2026-09-06 17:09 UTCEG score recompute
  40. 2026-09-06 17:09 UTCGHSA enrichment
  41. 2026-09-06 13:48 UTCEPSS rescore
  42. 2026-09-06 05:31 UTCGHSA enrichment
  43. 2026-09-05 17:55 UTCEG score recompute
  44. 2026-09-05 17:55 UTCGHSA enrichment
  45. 2026-09-05 15:31 UTCEPSS rescore
  46. 2026-09-05 06:19 UTCGHSA enrichment
  47. 2026-09-04 18:43 UTCEG score recompute
  48. 2026-09-04 18:43 UTCGHSA enrichment
  49. 2026-09-04 07:07 UTCEG score recompute
  50. 2026-09-04 07:07 UTCGHSA enrichment
  51. 2026-09-04 05:07 UTCEPSS rescore
  52. 2026-09-03 19:30 UTCGHSA enrichment
  53. 2026-09-03 07:53 UTCGHSA enrichment
  54. 2026-09-02 20:15 UTCEG score recompute
  55. 2026-09-02 20:15 UTCGHSA enrichment
  56. 2026-09-02 14:12 UTCEPSS rescore
  57. 2026-09-02 08:38 UTCGHSA enrichment
  58. 2026-09-01 21:01 UTCGHSA enrichment
  59. 2026-09-01 15:42 UTCEG score recompute
  60. 2026-09-01 15:42 UTCGHSA enrichment
  61. 2026-09-01 14:51 UTCEG score recompute
  62. 2026-09-01 14:50 UTCGHSA enrichment
  63. 2026-09-01 13:54 UTCEPSS rescore
  64. 2026-09-01 09:00 UTCEG score recompute
  65. 2026-09-01 09:00 UTCGHSA enrichment
  66. 2026-08-31 21:22 UTCEG score recompute
  67. 2026-08-31 20:40 UTCEG score recompute
  68. 2026-08-31 20:39 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-81290?
CVE-2026-81290 is a high vulnerability published on August 31, 2026. Unauthenticated Cross Site Scripting (XSS) in Email Subscribers & Newsletters <= 5.9.33 versions.
When was CVE-2026-81290 disclosed?
CVE-2026-81290 was first published in the National Vulnerability Database on August 31, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-81290 actively exploited?
CVE-2026-81290 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 85.3% of all scored CVEs.
What is the CVSS score of CVE-2026-81290?
CVE-2026-81290 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-81290?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-81290, 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-2026-81290

Explore →

Is Your Infrastructure Affected by CVE-2026-81290?

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

Book a Demo →Browse All CVEs