CVE-2026-5305

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-25. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%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 Email Address Encoder WordPress plugin before 1.0.25, email-encoder-premium WordPress plugin before 0.3.12 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks

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%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
42%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 25, 2026

Advisory Details (1)

Auto-updated Jun 26, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Email Address Encoder (Free < 1.0.25, Premium < 0.3.12) – Unauthenticated Stored XSS | CVE 2026-5305 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/bf59610b-98ba-4c05-b2fc-85c163e9a389/

Vendor Advisories for CVE-2026-5305(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Data Freshness Timeline

(refreshed 5× in last 7d / 64× 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 226 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-5305?
CVE-2026-5305 is a high vulnerability published on June 25, 2026. The Email Address Encoder WordPress plugin before 1.0.25, email-encoder-premium WordPress plugin before 0.3.12 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks
When was CVE-2026-5305 disclosed?
CVE-2026-5305 was first published in the National Vulnerability Database 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-2026-5305 actively exploited?
CVE-2026-5305 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 58.4% of all scored CVEs.
What is the CVSS score of CVE-2026-5305?
CVE-2026-5305 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-5305?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5305, 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.

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