CVE-2026-54717

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.4 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3% (24th percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 5.4Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Silverstripe CMS is an open source content management system. Prior to 6.2.1, page breadcrumbs in the CMS are vulnerable to cross-site scripting when viewed using the page list view, because page titles are rendered into the breadcrumb trail without being escaped. This issue is fixed in 6.2.1.

CVSS v3
5.4
EG Score
5.4MEDIUMmedium confidence
EG Risk
24
EG Risk 24/100CISA SSVC

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
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.3%
EPSS %ILE
24th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 6, 2026

Last Modified

September 8, 2026

Advisory Details (4)

Auto-updated Aug 6, 2026
Patch available. Sources: github_release, github, github_commit, github_pr.
github Patch Available

XSS in breadcrumbs in page list view · Advisory · silverstripe/silverstripe-cms · GitHub

https://github.com/silverstripe/silverstripe-cms/security/advisories/GHSA-w3cp-g2pf-65wh
github_release Patch Available

6.2.1

Patch available: silverstripe/silverstripe-cms 6.2.1

https://github.com/silverstripe/silverstripe-cms/releases/tag/6.2.1
github_pr Patch Available

[CVE-2026-54717] Escape page titles in breadcrumbs for page list view

Patch available: silverstripe/silverstripe-cms 6.2.1 (PR #3175 merged 2026-06-24)

https://github.com/silverstripe/silverstripe-cms/pull/3175
github_commit Patch Available

commit 62f9912baa18 (silverstripe/silverstripe-cms)

Patch available: silverstripe/silverstripe-cms 6.2.1 (contains commit 62f9912baa18)

https://github.com/silverstripe/silverstripe-cms/commit/62f9912baa18c80304f3fa8b6eca71bb5dc2d21e

Vendor Advisories for CVE-2026-54717(1)

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

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFix by version rangeDependents
silverstripe/cms2.4.10 ... 6.2.0-rc1 (348 versions)
  • every version up to 6.2.1: fixed in 6.2.1
—

Weakness Classification(1)

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

Data Freshness Timeline

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

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2026-54717?
CVE-2026-54717 is a medium vulnerability published on August 6, 2026. Silverstripe CMS is an open source content management system. Prior to 6.2.1, page breadcrumbs in the CMS are vulnerable to cross-site scripting when viewed using the page list view, because page titles are rendered into the breadcrumb trail without being escaped. This issue is fixed in 6.2.1.
When was CVE-2026-54717 disclosed?
CVE-2026-54717 was first published on August 6, 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-2026-54717 actively exploited?
CVE-2026-54717 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (24th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-54717?
CVE-2026-54717 has a CVSS base score of 5.4 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-54717?
A fix for CVE-2026-54717 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-54717 are linked in the Vendor Advisories panel on this page.

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