CVE-2026-5305

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH 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
Trending — 3 sources updated this week
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 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(high)
EPSS
21.9%
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 40× in last 7d / 56× 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. 2026-07-06 20:10 UTCEG score recompute
  2. 2026-07-06 20:09 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 09:09 UTCEG score recompute
  6. 2026-07-06 09:09 UTCGHSA enrichment
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 21:50 UTCEG score recompute
  10. 2026-07-05 21:50 UTCGHSA enrichment
  11. 2026-07-05 10:55 UTCEG score recompute
  12. 2026-07-05 10:55 UTCGHSA enrichment
  13. 2026-07-05 02:31 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 23:58 UTCEG score recompute
  16. 2026-07-04 23:58 UTCGHSA enrichment
  17. 2026-07-04 13:03 UTCEG score recompute
  18. 2026-07-04 13:03 UTCGHSA enrichment
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-04 06:31 UTCEPSS rescore
  21. 2026-07-04 02:08 UTCEG score recompute
  22. 2026-07-04 02:08 UTCGHSA enrichment
  23. 2026-07-03 15:11 UTCEG score recompute
  24. 2026-07-03 15:11 UTCGHSA enrichment
  25. 2026-07-03 04:11 UTCEG score recompute
Show 31 more
  1. 2026-07-03 04:11 UTCGHSA enrichment
  2. 2026-07-02 17:16 UTCEG score recompute
  3. 2026-07-02 17:16 UTCGHSA enrichment
  4. 2026-07-02 06:21 UTCEG score recompute
  5. 2026-07-02 06:21 UTCGHSA enrichment
  6. 2026-07-01 19:26 UTCEG score recompute
  7. 2026-07-01 19:26 UTCGHSA enrichment
  8. 2026-07-01 15:07 UTCEPSS rescore
  9. 2026-07-01 08:32 UTCEG score recompute
  10. 2026-07-01 08:32 UTCGHSA enrichment
  11. 2026-06-30 23:22 UTCEPSS rescore
  12. 2026-06-30 21:37 UTCEG score recompute
  13. 2026-06-30 21:37 UTCGHSA enrichment
  14. 2026-06-30 10:43 UTCEG score recompute
  15. 2026-06-30 10:42 UTCGHSA enrichment
  16. 2026-06-29 23:46 UTCEG score recompute
  17. 2026-06-29 23:46 UTCGHSA enrichment
  18. 2026-06-29 14:06 UTCEPSS rescore
  19. 2026-06-29 12:50 UTCEG score recompute
  20. 2026-06-29 12:50 UTCGHSA enrichment
  21. 2026-06-29 01:55 UTCEG score recompute
  22. 2026-06-29 01:55 UTCGHSA enrichment
  23. 2026-06-28 15:00 UTCEG score recompute▲ 8.80
  24. 2026-06-28 15:00 UTCGHSA enrichment
  25. 2026-06-28 14:07 UTCEPSS rescore
  26. 2026-06-28 04:56 UTCEPSS rescore
  27. 2026-06-27 03:08 UTCEPSS rescore
  28. 2026-06-26 09:42 UTCNVD updateCVSS v3 → 8.8 · severity → HIGH
  29. 2026-06-25 13:49 UTCEPSS rescore
  30. 2026-06-25 08:06 UTCEG score recompute
  31. 2026-06-25 08:05 UTCNVD updatefirst tracked

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 21.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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.

Dependency Blast Radius

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