CVE-2026-15505

LOWPre-NVD 3.53.5—
EchelonGraph scoreMEDIUM confidence

Score 3.5 from GitHub Security Advisory (severity: LOW) published 2026-07-12. a secondary CVSS source baseline 3.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
3.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.5Exploit: None knownExposed: 0

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

A weakness has been identified in vnotex vnote up to 3.20.1. Impacted is an unknown function of the file /src/data/extra/web/js/markdownit.js of the component YAML Frontmatter. This manipulation of the argument p_metaData causes cross site scripting. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
3.5
EG Score
3.5(medium)
EG Risk
16(Track)
EG Risk 16/100SSVC: 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
Severity35% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
26%
KEV
Not listed

Published

July 12, 2026

Last Modified

July 14, 2026

References (4)

Vendor Advisories for CVE-2026-15505(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 46× 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. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-28 21:41 UTCEPSS rescore
  3. 2026-08-27 21:37 UTCEG score recompute
  4. 2026-08-27 21:37 UTCGHSA enrichment
  5. 2026-08-27 14:25 UTCEPSS rescore
  6. 2026-08-26 14:46 UTCEPSS rescore
  7. 2026-08-25 13:48 UTCEPSS rescore
  8. 2026-08-24 20:53 UTCEG score recompute
  9. 2026-08-24 20:53 UTCGHSA enrichment
  10. 2026-08-23 00:19 UTCEPSS rescore
  11. 2026-08-21 23:49 UTCEPSS rescore
  12. 2026-08-21 22:29 UTCEG score recompute
  13. 2026-08-21 22:29 UTCGHSA enrichment
  14. 2026-08-20 22:55 UTCEPSS rescore
  15. 2026-08-19 17:03 UTCEPSS rescore
  16. 2026-08-19 00:03 UTCEG score recompute
  17. 2026-08-19 00:03 UTCGHSA enrichment
  18. 2026-08-18 13:48 UTCEPSS rescore
  19. 2026-08-16 14:56 UTCEPSS rescore
  20. 2026-08-16 02:14 UTCEPSS rescore
  21. 2026-08-16 01:36 UTCEG score recompute
  22. 2026-08-16 01:36 UTCGHSA enrichment
  23. 2026-08-15 01:30 UTCEPSS rescore
  24. 2026-08-13 22:00 UTCEPSS rescore
  25. 2026-08-13 03:12 UTCEG score recompute
Show 51 more
  1. 2026-08-13 03:12 UTCGHSA enrichment
  2. 2026-08-12 13:50 UTCEPSS rescore
  3. 2026-08-11 13:42 UTCEPSS rescore
  4. 2026-08-11 00:00 UTCEPSS rescore
  5. 2026-08-10 04:48 UTCEG score recompute
  6. 2026-08-10 04:48 UTCGHSA enrichment
  7. 2026-08-09 13:46 UTCEPSS rescore
  8. 2026-08-08 16:37 UTCEPSS rescore
  9. 2026-08-07 06:25 UTCEG score recompute
  10. 2026-08-07 06:25 UTCGHSA enrichment
  11. 2026-08-06 13:46 UTCEPSS rescore
  12. 2026-08-05 19:17 UTCEPSS rescore
  13. 2026-08-04 15:10 UTCEPSS rescore
  14. 2026-08-04 10:38 UTCEPSS rescore
  15. 2026-08-04 08:01 UTCEG score recompute
  16. 2026-08-04 08:01 UTCGHSA enrichment
  17. 2026-08-03 10:35 UTCEPSS rescore
  18. 2026-08-02 02:26 UTCEPSS rescore
  19. 2026-08-01 08:47 UTCEG score recompute
  20. 2026-08-01 08:47 UTCGHSA enrichment
  21. 2026-08-01 04:15 UTCEPSS rescore
  22. 2026-07-30 16:27 UTCEPSS rescore
  23. 2026-07-30 01:30 UTCEPSS rescore
  24. 2026-07-29 10:24 UTCEG score recompute
  25. 2026-07-29 10:24 UTCGHSA enrichment
  26. 2026-07-28 15:36 UTCEPSS rescore
  27. 2026-07-27 14:13 UTCEPSS rescore
  28. 2026-07-26 14:54 UTCEPSS rescore
  29. 2026-07-26 14:54 UTCEPSS rescore
  30. 2026-07-26 12:00 UTCEG score recompute
  31. 2026-07-26 12:00 UTCGHSA enrichment
  32. 2026-07-25 14:17 UTCEPSS rescore
  33. 2026-07-24 14:17 UTCEPSS rescore
  34. 2026-07-23 14:18 UTCEPSS rescore
  35. 2026-07-23 03:05 UTCEG score recompute
  36. 2026-07-22 14:08 UTCEPSS rescore
  37. 2026-07-21 15:24 UTCEPSS rescore
  38. 2026-07-20 17:08 UTCEPSS rescore
  39. 2026-07-19 14:30 UTCEPSS rescore
  40. 2026-07-19 02:28 UTCEPSS rescore
  41. 2026-07-18 10:04 UTCEPSS rescore
  42. 2026-07-16 17:02 UTCEPSS rescore
  43. 2026-07-15 17:49 UTCGHSA enrichment
  44. 2026-07-15 16:57 UTCEPSS rescore
  45. 2026-07-15 02:00 UTCEPSS rescore
  46. 2026-07-14 15:20 UTCNVD updateCVSS v4 → 2
  47. 2026-07-14 15:05 UTCMITRE cvelistV5CVSS v4 → 5.1
  48. 2026-07-13 22:30 UTCEPSS rescore
  49. 2026-07-12 20:16 UTCNVD updateCVSS v4 → 2
  50. 2026-07-12 19:23 UTCEG score recompute
  51. 2026-07-12 19:22 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15505?
CVE-2026-15505 is a low vulnerability published on July 12, 2026. A weakness has been identified in vnotex vnote up to 3.20.1. Impacted is an unknown function of the file /src/data/extra/web/js/markdownit.js of the component YAML Frontmatter. This manipulation of the argument p_metaData causes cross site scripting. The attack may be initiated remotely. The vendor…
When was CVE-2026-15505 disclosed?
CVE-2026-15505 was first published in the National Vulnerability Database on July 12, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15505 actively exploited?
CVE-2026-15505 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 74.5% of all scored CVEs.
What is the CVSS score of CVE-2026-15505?
CVE-2026-15505 has a CVSS v3 base score of 3.5 (NVD).
How do I remediate CVE-2026-15505?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15505, 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-2026-15505

Explore →

Is Your Infrastructure Affected by CVE-2026-15505?

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

Start Free Scan →Browse All CVEs