CVE-2026-82647

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory published 2026-08-30. a secondary CVSS source baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 6.1Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

WWBN AVideo contains a cross-site request forgery vulnerability in sendEmail.json.php that allows authenticated administrators to send mail from the site's contact address by bypassing origin checks and captcha validation. Attackers can craft a malicious web page that, when visited by an authenticated admin, sends emails with attacker-controlled subject and body to arbitrary recipients, passing SPF/DKIM/DMARC validation for phishing and brand impersonation attacks.

CVSS v3
6.1
EG Score
6.1MEDIUMhigh confidence
EG Risk
43
EG Risk 43/100

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
Severity61% × 45%
Exploitation40% × 40%
Automatability0% × 15%
EPSS PROB
0.1%
EPSS %ILE
3rd
KEV
Not listed

Published

August 30, 2026

Last Modified

August 31, 2026

Advisory Details (2)

Auto-updated Aug 30, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

WWBN AVideo Cross-Site Request Forgery via sendEmail.json.php | Advisories | VulnCheck

https://www.vulncheck.com/advisories/wwbn-avideo-cross-site-request-forgery-via-sendemail-json-php
github Patch Available🟡 PoC Available

CSRF in sendEmail.json.php: an authenticated admin's browser can be made to send mail From the site's own address to any recipient · Advisory · WWBN/AVideo · GitHub

https://github.com/WWBN/AVideo/security/advisories/GHSA-7h9v-f3gg-r3mq

Vendor Advisories for CVE-2026-82647(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 17× in last 7d / 78× 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. 2026-09-28 16:20 UTCEG score recompute
  2. 2026-09-28 16:20 UTCGHSA enrichment
  3. 2026-09-28 13:52 UTCEPSS rescore
  4. 2026-09-27 14:33 UTCEG score recompute
  5. 2026-09-27 14:33 UTCGHSA enrichment
  6. 2026-09-27 13:48 UTCEPSS rescore
  7. 2026-09-26 15:59 UTCEPSS rescore
  8. 2026-09-26 13:02 UTCEG score recompute
  9. 2026-09-26 13:02 UTCGHSA enrichment
  10. 2026-09-25 11:27 UTCEG score recompute
  11. 2026-09-25 11:27 UTCGHSA enrichment
  12. 2026-09-24 14:04 UTCEPSS rescore
  13. 2026-09-24 09:45 UTCEG score recompute
  14. 2026-09-24 09:45 UTCGHSA enrichment
  15. 2026-09-23 17:54 UTCEPSS rescore
  16. 2026-09-23 08:14 UTCEG score recompute
  17. 2026-09-23 08:14 UTCGHSA enrichment
  18. 2026-09-22 16:01 UTCEPSS rescore
  19. 2026-09-22 06:42 UTCEG score recompute
  20. 2026-09-22 06:42 UTCGHSA enrichment
  21. 2026-09-21 21:09 UTCEPSS rescore
  22. 2026-09-21 05:10 UTCGHSA enrichment
  23. 2026-09-20 03:04 UTCEG score recompute
  24. 2026-09-20 03:03 UTCGHSA enrichment
  25. 2026-09-19 01:32 UTCEG score recompute
Show 56 more
  1. 2026-09-19 01:32 UTCGHSA enrichment
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-18 00:00 UTCEG score recompute
  4. 2026-09-17 23:59 UTCGHSA enrichment
  5. 2026-09-16 21:48 UTCEG score recompute
  6. 2026-09-16 21:47 UTCGHSA enrichment
  7. 2026-09-16 14:08 UTCEPSS rescore
  8. 2026-09-16 05:15 UTCEPSS rescore
  9. 2026-09-15 20:16 UTCEG score recompute
  10. 2026-09-15 20:16 UTCGHSA enrichment
  11. 2026-09-15 03:12 UTCEPSS rescore
  12. 2026-09-15 03:12 UTCEPSS rescore
  13. 2026-09-14 18:44 UTCEG score recompute
  14. 2026-09-14 18:44 UTCGHSA enrichment
  15. 2026-09-13 16:20 UTCEG score recompute
  16. 2026-09-13 16:20 UTCGHSA enrichment
  17. 2026-09-12 14:48 UTCEG score recompute
  18. 2026-09-12 14:48 UTCGHSA enrichment
  19. 2026-09-11 14:53 UTCEPSS rescore
  20. 2026-09-11 14:53 UTCEPSS rescore
  21. 2026-09-11 13:16 UTCEG score recompute
  22. 2026-09-11 13:16 UTCGHSA enrichment
  23. 2026-09-10 11:44 UTCEG score recompute
  24. 2026-09-10 11:44 UTCGHSA enrichment
  25. 2026-09-09 09:40 UTCEG score recompute
  26. 2026-09-09 09:40 UTCGHSA enrichment
  27. 2026-09-08 22:01 UTCEPSS rescore
  28. 2026-09-08 08:09 UTCEG score recompute
  29. 2026-09-08 08:08 UTCGHSA enrichment
  30. 2026-09-07 06:33 UTCEG score recompute
  31. 2026-09-07 06:32 UTCGHSA enrichment
  32. 2026-09-06 13:48 UTCEPSS rescore
  33. 2026-09-06 04:53 UTCEG score recompute
  34. 2026-09-06 04:53 UTCGHSA enrichment
  35. 2026-09-05 15:31 UTCEPSS rescore
  36. 2026-09-05 03:22 UTCEG score recompute
  37. 2026-09-05 03:22 UTCGHSA enrichment
  38. 2026-09-04 05:07 UTCEPSS rescore
  39. 2026-09-04 01:51 UTCGHSA enrichment
  40. 2026-09-03 00:16 UTCEG score recompute
  41. 2026-09-03 00:15 UTCGHSA enrichment
  42. 2026-09-02 14:12 UTCEPSS rescore
  43. 2026-09-01 22:40 UTCEG score recompute
  44. 2026-09-01 22:40 UTCGHSA enrichment
  45. 2026-09-01 13:54 UTCEPSS rescore
  46. 2026-09-01 04:40 UTCEPSS rescore
  47. 2026-09-01 04:40 UTCEPSS rescore
  48. 2026-08-31 21:08 UTCEG score recompute
  49. 2026-08-31 21:08 UTCGHSA enrichment
  50. 2026-08-31 17:24 UTCEG score recompute
  51. 2026-08-31 17:24 UTCGHSA enrichment
  52. 2026-08-31 16:55 UTCEG score recompute
  53. 2026-08-31 16:54 UTCGHSA enrichment
  54. 2026-08-30 15:18 UTCEG score recompute
  55. 2026-08-30 14:38 UTCEG score recompute
  56. 2026-08-30 14:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82647?
CVE-2026-82647 is a medium vulnerability published on August 30, 2026. WWBN AVideo contains a cross-site request forgery vulnerability in sendEmail.json.php that allows authenticated administrators to send mail from the site's contact address by bypassing origin checks and captcha validation. Attackers can craft a malicious web page that, when visited by an…
When was CVE-2026-82647 disclosed?
CVE-2026-82647 was first published on August 30, 2026, with the most recent update on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82647 actively exploited?
CVE-2026-82647 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (3rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-82647?
CVE-2026-82647 has a CVSS base score of 6.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-82647?
A fix for CVE-2026-82647 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-82647 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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