CVE-2025-53828

HIGHPre-NVD 8.58.5
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.5 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 86% of all CVEs by exploit prediction. 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
Trending — 3 sources updated this week
8.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.5Exploit: NoneExposed: 0

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

SharePoint for ownCloud is an application for using SharePoint with the file storage, synchronization, and sharing application ownCloud Classic. In SharePoint for ownCloud prior to version 0.4.1, which corresponds to ownCloud 10 prior to 10.15.3, an attacker with administrative privileges can use a SSRF vulnerability in the SharePoint app to execute arbitrary code on the system. Upgrade ownCloud 10 to version 10.15.3 or later to receive SharePoint for ownCloud 0.4.1, the fixed version.

CVSS v3
8.5
EG Score
8.5(medium)
EPSS
14.0%
KEV
Not listed

Published

July 6, 2026

Last Modified

July 8, 2026

Advisory Details (1)

Auto-updated Jul 6, 2026
Patch available. Sources: github.
github Patch Available

[OC10] SharePoint for ownCloud 10 before 0.4.1 is vulnerable to Server-Side Request Forgery (SSRF) · Advisory · owncloud/security-advisories · GitHub

https://github.com/owncloud/security-advisories/security/advisories/GHSA-4m66-rpfj-m5f6

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 24× in last 7d / 24× 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. 2026-07-13 06:12 UTCEPSS rescore
  2. 2026-07-13 06:12 UTCEPSS rescore
  3. 2026-07-13 04:25 UTCEG score recompute
  4. 2026-07-12 17:11 UTCEG score recompute
  5. 2026-07-12 06:00 UTCEG score recompute
  6. 2026-07-12 05:46 UTCEPSS rescore
  7. 2026-07-11 18:48 UTCEG score recompute
  8. 2026-07-11 08:27 UTCEPSS rescore
  9. 2026-07-11 08:27 UTCEPSS rescore
  10. 2026-07-11 07:37 UTCEG score recompute
  11. 2026-07-10 20:24 UTCEG score recompute
  12. 2026-07-10 09:13 UTCEG score recompute
  13. 2026-07-09 22:01 UTCEG score recompute
  14. 2026-07-09 19:09 UTCEPSS rescore
  15. 2026-07-09 10:50 UTCEG score recompute
  16. 2026-07-08 23:38 UTCEG score recompute
  17. 2026-07-08 15:15 UTCEPSS rescore
  18. 2026-07-08 12:26 UTCEG score recompute
  19. 2026-07-08 01:12 UTCEG score recompute
  20. 2026-07-07 14:00 UTCEG score recompute
  21. 2026-07-07 13:45 UTCEPSS rescore
  22. 2026-07-07 02:48 UTCEG score recompute
  23. 2026-07-06 15:37 UTCEG score recompute
  24. 2026-07-06 15:36 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2025-53828?
CVE-2025-53828 is a high vulnerability published on July 6, 2026. SharePoint for ownCloud is an application for using SharePoint with the file storage, synchronization, and sharing application ownCloud Classic. In SharePoint for ownCloud prior to version 0.4.1, which corresponds to ownCloud 10 prior to 10.15.3, an attacker with administrative privileges can use a…
When was CVE-2025-53828 disclosed?
CVE-2025-53828 was first published in the National Vulnerability Database on July 6, 2026, with the most recent update on July 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-53828 actively exploited?
CVE-2025-53828 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-53828?
CVE-2025-53828 has a CVSS v3 base score of 8.5 (NVD).
How do I remediate CVE-2025-53828?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-53828, 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-2025-53828

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