CVE-2026-15202

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-07-09. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: Elevated riskExposed: 0

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

A security vulnerability has been detected in YzmCMS up to 7.5. Affected is the function get_url of the file /yzmphp/yzmphp.php of the component Header Handler. The manipulation of the argument HTTP_HOST leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity43% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
37%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 9, 2026

Advisory Details (1)

Auto-updated Jul 10, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

zmcms-host-header-injection-poc · GitHub

https://gist.github.com/188452/72d03d030ee3cbfee2642badfa9dce33

Vendor Advisories for CVE-2026-15202(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 14× in last 7d / 79× 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.

Showing the most recent 100 of 120 total refreshes for this CVE.

  1. 2026-08-30 06:45 UTCEG score recompute
  2. 2026-08-30 06:45 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-28 21:41 UTCEPSS rescore
  5. 2026-08-27 21:45 UTCEG score recompute
  6. 2026-08-27 21:45 UTCGHSA enrichment
  7. 2026-08-27 14:25 UTCEPSS rescore
  8. 2026-08-26 14:46 UTCEPSS rescore
  9. 2026-08-26 12:55 UTCEG score recompute
  10. 2026-08-26 12:55 UTCGHSA enrichment
  11. 2026-08-25 13:48 UTCEPSS rescore
  12. 2026-08-25 10:06 UTCEG score recompute
  13. 2026-08-25 10:06 UTCGHSA enrichment
  14. 2026-08-24 07:07 UTCGHSA enrichment
  15. 2026-08-23 06:02 UTCEG score recompute
  16. 2026-08-23 06:02 UTCGHSA enrichment
  17. 2026-08-23 00:19 UTCEPSS rescore
  18. 2026-08-22 04:56 UTCEG score recompute
  19. 2026-08-22 04:56 UTCGHSA enrichment
  20. 2026-08-21 23:49 UTCEPSS rescore
  21. 2026-08-21 03:48 UTCEG score recompute
  22. 2026-08-21 03:48 UTCGHSA enrichment
  23. 2026-08-20 22:55 UTCEPSS rescore
  24. 2026-08-20 01:46 UTCEG score recompute
  25. 2026-08-20 01:46 UTCGHSA enrichment
Show 75 more
  1. 2026-08-19 17:03 UTCEPSS rescore
  2. 2026-08-18 20:41 UTCEG score recompute
  3. 2026-08-18 20:41 UTCGHSA enrichment
  4. 2026-08-18 13:48 UTCEPSS rescore
  5. 2026-08-17 13:53 UTCEG score recompute
  6. 2026-08-17 13:53 UTCGHSA enrichment
  7. 2026-08-17 13:47 UTCEPSS rescore
  8. 2026-08-16 14:56 UTCEPSS rescore
  9. 2026-08-16 12:48 UTCEG score recompute
  10. 2026-08-16 12:48 UTCGHSA enrichment
  11. 2026-08-16 02:14 UTCEPSS rescore
  12. 2026-08-15 11:43 UTCEG score recompute
  13. 2026-08-15 11:43 UTCGHSA enrichment
  14. 2026-08-15 01:30 UTCEPSS rescore
  15. 2026-08-14 10:38 UTCEG score recompute
  16. 2026-08-14 10:38 UTCGHSA enrichment
  17. 2026-08-13 22:00 UTCEPSS rescore
  18. 2026-08-13 09:33 UTCEG score recompute
  19. 2026-08-13 09:33 UTCGHSA enrichment
  20. 2026-08-12 13:50 UTCEPSS rescore
  21. 2026-08-12 08:28 UTCEG score recompute
  22. 2026-08-12 08:28 UTCGHSA enrichment
  23. 2026-08-11 13:42 UTCEPSS rescore
  24. 2026-08-11 07:23 UTCEG score recompute
  25. 2026-08-11 07:23 UTCGHSA enrichment
  26. 2026-08-11 00:00 UTCEPSS rescore
  27. 2026-08-10 06:18 UTCEG score recompute
  28. 2026-08-10 06:18 UTCGHSA enrichment
  29. 2026-08-09 13:46 UTCEPSS rescore
  30. 2026-08-09 05:14 UTCEG score recompute
  31. 2026-08-09 05:14 UTCGHSA enrichment
  32. 2026-08-08 16:37 UTCEPSS rescore
  33. 2026-08-08 04:09 UTCEG score recompute
  34. 2026-08-08 04:09 UTCGHSA enrichment
  35. 2026-08-07 03:04 UTCEG score recompute
  36. 2026-08-07 03:04 UTCGHSA enrichment
  37. 2026-08-06 13:46 UTCEPSS rescore
  38. 2026-08-06 01:59 UTCEG score recompute
  39. 2026-08-06 01:59 UTCGHSA enrichment
  40. 2026-08-05 19:17 UTCEPSS rescore
  41. 2026-08-05 00:54 UTCEG score recompute
  42. 2026-08-05 00:54 UTCGHSA enrichment
  43. 2026-08-04 15:10 UTCEPSS rescore
  44. 2026-08-04 10:38 UTCEPSS rescore
  45. 2026-08-03 23:46 UTCEG score recompute
  46. 2026-08-03 23:46 UTCGHSA enrichment
  47. 2026-08-03 10:35 UTCEPSS rescore
  48. 2026-08-02 22:41 UTCEG score recompute
  49. 2026-08-02 22:41 UTCGHSA enrichment
  50. 2026-08-02 02:26 UTCEPSS rescore
  51. 2026-08-01 21:36 UTCEG score recompute
  52. 2026-08-01 21:36 UTCGHSA enrichment
  53. 2026-08-01 04:15 UTCEPSS rescore
  54. 2026-07-31 20:31 UTCGHSA enrichment
  55. 2026-07-30 19:26 UTCEG score recompute
  56. 2026-07-30 19:26 UTCGHSA enrichment
  57. 2026-07-30 16:27 UTCEPSS rescore
  58. 2026-07-30 01:30 UTCEPSS rescore
  59. 2026-07-29 18:20 UTCGHSA enrichment
  60. 2026-07-28 17:15 UTCEG score recompute
  61. 2026-07-28 17:15 UTCGHSA enrichment
  62. 2026-07-28 15:36 UTCEPSS rescore
  63. 2026-07-27 15:35 UTCEG score recompute
  64. 2026-07-27 15:35 UTCGHSA enrichment
  65. 2026-07-27 14:13 UTCEPSS rescore
  66. 2026-07-26 14:54 UTCEPSS rescore
  67. 2026-07-26 14:54 UTCEPSS rescore
  68. 2026-07-26 12:18 UTCEG score recompute
  69. 2026-07-26 12:18 UTCGHSA enrichment
  70. 2026-07-25 14:17 UTCEPSS rescore
  71. 2026-07-24 14:17 UTCEPSS rescore
  72. 2026-07-23 14:18 UTCEPSS rescore
  73. 2026-07-23 03:05 UTCEG score recompute
  74. 2026-07-22 14:08 UTCEPSS rescore
  75. 2026-07-20 17:08 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15202?
CVE-2026-15202 is a medium vulnerability published on July 9, 2026. A security vulnerability has been detected in YzmCMS up to 7.5. Affected is the function geturl of the file /yzmphp/yzmphp.php of the component Header Handler. The manipulation of the argument HTTPHOST leads to cross site scripting. The attack may be initiated remotely. The exploit has been…
When was CVE-2026-15202 disclosed?
CVE-2026-15202 was first published in the National Vulnerability Database on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15202 actively exploited?
CVE-2026-15202 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 62.7% of all scored CVEs.
What is the CVSS score of CVE-2026-15202?
CVE-2026-15202 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-15202?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15202, 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-2026-15202

Explore →

Is Your Infrastructure Affected by CVE-2026-15202?

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

Start Free Scan →Browse All CVEs