CVE-2026-16281

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-09-04. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: None knownExposed: 0

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

The Classified Listing WordPress plugin before 6.1.1 does not verify that the caller owns or can edit the target listing before its AI image-editing AJAX action deletes or attaches media, allowing any authenticated user, including a subscriber, to permanently delete attachments from, and attach files to, any listing owned by another user.

CVSS v3
7.1
EG Score
7.1(high)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity71% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

September 4, 2026

Last Modified

September 8, 2026

Advisory Details (1)

Auto-updated Sep 4, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Classified Listing < 6.1.1 – Subscriber+ Arbitrary Attachment Deletion and Listing Image Tampering via IDOR | CVE 2026-16281 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/e6a781c3-570f-4293-8f4c-9331389dd100/

Vendor Advisories for CVE-2026-16281(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 22× in last 7d / 66× 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. 2026-09-20 14:19 UTCGHSA enrichment
  2. 2026-09-20 02:12 UTCEG score recompute
  3. 2026-09-20 02:12 UTCGHSA enrichment
  4. 2026-09-19 14:04 UTCGHSA enrichment
  5. 2026-09-19 01:53 UTCEG score recompute
  6. 2026-09-19 01:52 UTCGHSA enrichment
  7. 2026-09-18 19:27 UTCEPSS rescore
  8. 2026-09-18 13:45 UTCGHSA enrichment
  9. 2026-09-18 01:38 UTCEG score recompute
  10. 2026-09-18 01:38 UTCGHSA enrichment
  11. 2026-09-17 13:31 UTCGHSA enrichment
  12. 2026-09-17 01:18 UTCEG score recompute
  13. 2026-09-17 01:18 UTCGHSA enrichment
  14. 2026-09-16 14:07 UTCEPSS rescore
  15. 2026-09-16 13:10 UTCEG score recompute
  16. 2026-09-16 13:10 UTCGHSA enrichment
  17. 2026-09-16 05:14 UTCEPSS rescore
  18. 2026-09-16 01:02 UTCGHSA enrichment
  19. 2026-09-15 12:55 UTCEG score recompute
  20. 2026-09-15 12:55 UTCGHSA enrichment
  21. 2026-09-15 00:48 UTCGHSA enrichment
  22. 2026-09-14 12:41 UTCGHSA enrichment
  23. 2026-09-14 00:34 UTCEG score recompute
  24. 2026-09-14 00:34 UTCGHSA enrichment
  25. 2026-09-13 16:46 UTCEPSS rescore
Show 41 more
  1. 2026-09-13 12:27 UTCGHSA enrichment
  2. 2026-09-13 00:20 UTCEG score recompute
  3. 2026-09-13 00:20 UTCGHSA enrichment
  4. 2026-09-12 15:00 UTCEPSS rescore
  5. 2026-09-12 12:12 UTCGHSA enrichment
  6. 2026-09-12 00:05 UTCEG score recompute
  7. 2026-09-12 00:05 UTCGHSA enrichment
  8. 2026-09-11 14:52 UTCEPSS rescore
  9. 2026-09-11 11:58 UTCEG score recompute
  10. 2026-09-11 11:58 UTCGHSA enrichment
  11. 2026-09-11 09:36 UTCEPSS rescore
  12. 2026-09-10 23:51 UTCGHSA enrichment
  13. 2026-09-10 11:32 UTCEG score recompute
  14. 2026-09-10 11:32 UTCGHSA enrichment
  15. 2026-09-10 09:34 UTCEPSS rescore
  16. 2026-09-09 23:24 UTCGHSA enrichment
  17. 2026-09-09 08:05 UTCEG score recompute
  18. 2026-09-09 08:05 UTCGHSA enrichment
  19. 2026-09-08 22:00 UTCEPSS rescore
  20. 2026-09-08 19:58 UTCGHSA enrichment
  21. 2026-09-08 16:23 UTCGHSA enrichment
  22. 2026-09-08 02:56 UTCEG score recompute
  23. 2026-09-08 02:56 UTCGHSA enrichment
  24. 2026-09-07 16:01 UTCEPSS rescore
  25. 2026-09-07 14:48 UTCGHSA enrichment
  26. 2026-09-07 02:08 UTCGHSA enrichment
  27. 2026-09-06 13:59 UTCEG score recompute
  28. 2026-09-06 13:59 UTCGHSA enrichment
  29. 2026-09-06 13:47 UTCEPSS rescore
  30. 2026-09-06 01:52 UTCEG score recompute
  31. 2026-09-06 01:52 UTCGHSA enrichment
  32. 2026-09-05 13:45 UTCGHSA enrichment
  33. 2026-09-05 01:35 UTCEG score recompute
  34. 2026-09-05 01:35 UTCGHSA enrichment
  35. 2026-09-04 13:28 UTCGHSA enrichment
  36. 2026-09-04 13:05 UTCEG score recompute▲ 7.10
  37. 2026-09-04 13:05 UTCGHSA enrichment
  38. 2026-09-04 13:03 UTCMITRE cvelistV5CVSS v3 → 7.1 · severity → HIGH
  39. 2026-09-04 07:28 UTCNVD update
  40. 2026-09-04 06:36 UTCEG score recompute
  41. 2026-09-04 06:33 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16281?
CVE-2026-16281 is a high vulnerability published on September 4, 2026. The Classified Listing WordPress plugin before 6.1.1 does not verify that the caller owns or can edit the target listing before its AI image-editing AJAX action deletes or attaches media, allowing any authenticated user, including a subscriber, to permanently delete attachments from, and attach…
When was CVE-2026-16281 disclosed?
CVE-2026-16281 was first published in the National Vulnerability Database on September 4, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16281 actively exploited?
CVE-2026-16281 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 90.5% of all scored CVEs.
What is the CVSS score of CVE-2026-16281?
CVE-2026-16281 has a CVSS v3.1 base score of 7.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-16281?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16281, 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-2026-16281

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