CVE-2026-9643

HIGHPre-NVD 7.27.2—
EchelonGraph scoreHIGH confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.2Exploit: NoneExposed: 0

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

The WP Meta SEO plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting via the REQUEST_URI server variable in all versions up to, and including, 4.5.18. When the plugin's wpmsTemplateRedirect() hook detects a 404, it concatenates $_SERVER['HTTP_HOST'] with the raw $_SERVER['REQUEST_URI'] and inserts that value verbatim into the wp_wpms_links.link_url column via $wpdb->insert(). This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute whenever an administrator views the plugin's 404 & Redirects admin page (/wp-admin/admin.php?page=metaseo_broken_link).

CVSS v3
7.2
EG Score
7.2(high)
EPSS
15.1%
KEV
Not listed

Published

June 24, 2026

Last Modified

June 29, 2026

Advisory Details (1)

Auto-updated Jun 24, 2026
No patch confirmed yet.
generic

Login | Wordfence Threat Intelligence

https://ti.wordfence.io/vulnerabilities/ca91e41d-b728-4eb0-86d5-043813d8c2c1

Vendor Advisories for CVE-2026-9643(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 34× 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.

  1. 2026-07-07 05:20 UTCEG score recompute
  2. 2026-07-07 05:20 UTCGHSA enrichment
  3. 2026-07-06 16:53 UTCEG score recompute
  4. 2026-07-06 16:52 UTCGHSA enrichment
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 04:36 UTCEG score recompute
  7. 2026-07-06 04:36 UTCGHSA enrichment
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 15:59 UTCEG score recompute
  10. 2026-07-05 15:59 UTCGHSA enrichment
  11. 2026-07-05 03:43 UTCEG score recompute
  12. 2026-07-05 03:43 UTCGHSA enrichment
  13. 2026-07-05 02:31 UTCEPSS rescore
  14. 2026-07-04 15:21 UTCEG score recompute
  15. 2026-07-04 15:21 UTCGHSA enrichment
  16. 2026-07-04 06:31 UTCEPSS rescore
  17. 2026-07-04 03:00 UTCEG score recompute
  18. 2026-07-04 03:00 UTCGHSA enrichment
  19. 2026-07-03 14:45 UTCEG score recompute
  20. 2026-07-03 14:45 UTCGHSA enrichment
  21. 2026-07-03 02:29 UTCEG score recompute
  22. 2026-07-03 02:29 UTCGHSA enrichment
  23. 2026-07-02 14:12 UTCEG score recompute
  24. 2026-07-02 14:12 UTCGHSA enrichment
  25. 2026-07-02 01:57 UTCEG score recompute
Show 39 more
  1. 2026-07-02 01:57 UTCGHSA enrichment
  2. 2026-07-01 15:07 UTCEPSS rescore
  3. 2026-07-01 13:42 UTCEG score recompute
  4. 2026-07-01 13:41 UTCGHSA enrichment
  5. 2026-07-01 01:26 UTCEG score recompute
  6. 2026-07-01 01:26 UTCGHSA enrichment
  7. 2026-06-30 23:22 UTCEPSS rescore
  8. 2026-06-30 13:06 UTCEG score recompute
  9. 2026-06-30 13:05 UTCGHSA enrichment
  10. 2026-06-30 00:49 UTCEG score recompute
  11. 2026-06-30 00:49 UTCGHSA enrichment
  12. 2026-06-29 14:06 UTCEPSS rescore
  13. 2026-06-29 12:34 UTCEG score recompute
  14. 2026-06-29 12:34 UTCGHSA enrichment
  15. 2026-06-29 00:19 UTCEG score recompute
  16. 2026-06-29 00:19 UTCGHSA enrichment
  17. 2026-06-28 14:07 UTCEPSS rescore
  18. 2026-06-28 12:04 UTCEG score recompute
  19. 2026-06-28 12:03 UTCGHSA enrichment
  20. 2026-06-28 04:56 UTCEPSS rescore
  21. 2026-06-27 23:48 UTCEG score recompute
  22. 2026-06-27 23:48 UTCGHSA enrichment
  23. 2026-06-27 11:32 UTCEG score recompute
  24. 2026-06-27 11:32 UTCGHSA enrichment
  25. 2026-06-27 03:08 UTCEPSS rescore
  26. 2026-06-26 23:16 UTCEG score recompute
  27. 2026-06-26 23:16 UTCGHSA enrichment
  28. 2026-06-26 11:01 UTCEG score recompute
  29. 2026-06-26 11:01 UTCGHSA enrichment
  30. 2026-06-25 20:19 UTCEG score recompute
  31. 2026-06-25 20:19 UTCGHSA enrichment
  32. 2026-06-25 13:50 UTCEPSS rescore
  33. 2026-06-25 08:04 UTCEG score recompute
  34. 2026-06-25 08:04 UTCGHSA enrichment
  35. 2026-06-24 19:48 UTCEG score recompute
  36. 2026-06-24 19:48 UTCGHSA enrichment
  37. 2026-06-24 14:05 UTCEPSS rescore
  38. 2026-06-24 07:32 UTCEG score recompute
  39. 2026-06-24 07:29 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9643?
CVE-2026-9643 is a high vulnerability published on June 24, 2026. The WP Meta SEO plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting via the REQUESTURI server variable in all versions up to, and including, 4.5.18. When the plugin's wpmsTemplateRedirect() hook detects a 404, it concatenates $SERVER['HTTPHOST'] with the raw…
When was CVE-2026-9643 disclosed?
CVE-2026-9643 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9643 actively exploited?
CVE-2026-9643 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 15.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9643?
CVE-2026-9643 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-9643?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9643, 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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