CVE-2026-81402

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-12. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

The DS Ad Rotator WordPress plugin through 0.8 does not perform any capability check, nonce verification, or file-type validation on its image upload handler, allowing unauthenticated attackers to upload arbitrary files, including PHP, to a web-accessible directory, which can lead to remote code execution.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

September 12, 2026

Last Modified

September 14, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

DS Ad Rotator <= 0.8 – Unauthenticated Arbitrary File Upload | CVE 2026-81402 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/60e82611-ddf1-4275-8c68-14694d863fca/

Vendor Advisories for CVE-2026-81402(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 54× in last 7d / 74× 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. 2026-09-21 16:10 UTCGHSA enrichment
  2. 2026-09-21 12:00 UTCGHSA enrichment
  3. 2026-09-21 07:52 UTCGHSA enrichment
  4. 2026-09-21 03:43 UTCGHSA enrichment
  5. 2026-09-20 23:35 UTCEG score recompute
  6. 2026-09-20 23:34 UTCGHSA enrichment
  7. 2026-09-20 20:16 UTCEPSS rescore
  8. 2026-09-20 19:26 UTCGHSA enrichment
  9. 2026-09-20 15:17 UTCGHSA enrichment
  10. 2026-09-20 11:07 UTCGHSA enrichment
  11. 2026-09-20 06:59 UTCGHSA enrichment
  12. 2026-09-20 02:26 UTCGHSA enrichment
  13. 2026-09-19 22:18 UTCGHSA enrichment
  14. 2026-09-19 18:09 UTCEG score recompute
  15. 2026-09-19 18:09 UTCGHSA enrichment
  16. 2026-09-19 13:59 UTCGHSA enrichment
  17. 2026-09-19 09:43 UTCGHSA enrichment
  18. 2026-09-19 05:35 UTCGHSA enrichment
  19. 2026-09-19 01:27 UTCGHSA enrichment
  20. 2026-09-18 21:17 UTCEG score recompute
  21. 2026-09-18 21:17 UTCGHSA enrichment
  22. 2026-09-18 19:28 UTCEPSS rescore
  23. 2026-09-18 16:44 UTCGHSA enrichment
  24. 2026-09-18 12:36 UTCGHSA enrichment
  25. 2026-09-18 08:28 UTCGHSA enrichment
Show 49 more
  1. 2026-09-18 04:19 UTCGHSA enrichment
  2. 2026-09-18 00:11 UTCGHSA enrichment
  3. 2026-09-17 20:03 UTCEG score recompute
  4. 2026-09-17 20:03 UTCGHSA enrichment
  5. 2026-09-17 15:48 UTCGHSA enrichment
  6. 2026-09-17 11:40 UTCGHSA enrichment
  7. 2026-09-17 07:32 UTCGHSA enrichment
  8. 2026-09-17 03:23 UTCGHSA enrichment
  9. 2026-09-16 23:15 UTCGHSA enrichment
  10. 2026-09-16 19:06 UTCGHSA enrichment
  11. 2026-09-16 14:58 UTCEG score recompute
  12. 2026-09-16 14:58 UTCGHSA enrichment
  13. 2026-09-16 14:08 UTCEPSS rescore
  14. 2026-09-16 10:49 UTCGHSA enrichment
  15. 2026-09-16 06:42 UTCEG score recompute
  16. 2026-09-16 06:42 UTCGHSA enrichment
  17. 2026-09-16 05:15 UTCEPSS rescore
  18. 2026-09-16 02:33 UTCGHSA enrichment
  19. 2026-09-15 22:24 UTCGHSA enrichment
  20. 2026-09-15 18:15 UTCGHSA enrichment
  21. 2026-09-15 13:52 UTCGHSA enrichment
  22. 2026-09-15 09:44 UTCGHSA enrichment
  23. 2026-09-15 05:35 UTCEG score recompute
  24. 2026-09-15 05:35 UTCGHSA enrichment
  25. 2026-09-15 03:12 UTCEPSS rescore
  26. 2026-09-15 03:12 UTCEPSS rescore
  27. 2026-09-15 01:27 UTCGHSA enrichment
  28. 2026-09-14 21:19 UTCGHSA enrichment
  29. 2026-09-14 18:09 UTCGHSA enrichment
  30. 2026-09-14 13:57 UTCGHSA enrichment
  31. 2026-09-14 09:49 UTCGHSA enrichment
  32. 2026-09-14 05:36 UTCGHSA enrichment
  33. 2026-09-14 01:28 UTCGHSA enrichment
  34. 2026-09-13 21:20 UTCGHSA enrichment
  35. 2026-09-13 17:12 UTCEG score recompute
  36. 2026-09-13 17:12 UTCGHSA enrichment
  37. 2026-09-13 13:04 UTCGHSA enrichment
  38. 2026-09-13 08:55 UTCGHSA enrichment
  39. 2026-09-13 04:48 UTCGHSA enrichment
  40. 2026-09-13 00:40 UTCGHSA enrichment
  41. 2026-09-12 20:32 UTCEG score recompute
  42. 2026-09-12 20:32 UTCGHSA enrichment
  43. 2026-09-12 16:23 UTCGHSA enrichment
  44. 2026-09-12 15:44 UTCEG score recompute▲ 9.80
  45. 2026-09-12 15:44 UTCGHSA enrichment
  46. 2026-09-12 15:43 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  47. 2026-09-12 06:20 UTCNVD update
  48. 2026-09-12 06:14 UTCEG score recompute
  49. 2026-09-12 06:13 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-81402?
CVE-2026-81402 is a critical vulnerability published on September 12, 2026. The DS Ad Rotator WordPress plugin through 0.8 does not perform any capability check, nonce verification, or file-type validation on its image upload handler, allowing unauthenticated attackers to upload arbitrary files, including PHP, to a web-accessible directory, which can lead to remote code…
When was CVE-2026-81402 disclosed?
CVE-2026-81402 was first published in the National Vulnerability Database on September 12, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-81402 actively exploited?
CVE-2026-81402 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 61.6% of all scored CVEs.
What is the CVSS score of CVE-2026-81402?
CVE-2026-81402 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-81402?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-81402, 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-2026-81402

Explore →

Is Your Infrastructure Affected by CVE-2026-81402?

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

Start Free Scan →Browse All CVEs