CVE-2026-48952

MEDIUMNVD 6.16.1—
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory published 2026-07-07. NVD baseline CVSS 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.1Exploit: NoneExposed: 0

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

Lack of escaping leads to an XSS vulnerability in the update list view of com_installer.

CVSS v3
6.1
EG Score
6.1(high)
EPSS
4.4%
KEV
Not listed

Published

July 7, 2026

Last Modified

July 9, 2026

Advisory Details (1)

Auto-updated Jul 7, 2026
No patch confirmed yet.
generic

[20260706] - Core - XSS in com_installer

https://developer.joomla.org/security-centre/1060-20260706-core-xss-in-com-installer.html

Vendor Advisories for CVE-2026-48952(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 20× in last 7d / 25× 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. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 06:43 UTCEG score recompute
  3. 2026-07-15 06:43 UTCGHSA enrichment
  4. 2026-07-15 02:00 UTCEPSS rescore
  5. 2026-07-14 04:57 UTCEG score recompute
  6. 2026-07-14 04:57 UTCGHSA enrichment
  7. 2026-07-13 22:30 UTCEPSS rescore
  8. 2026-07-13 06:13 UTCEPSS rescore
  9. 2026-07-13 03:11 UTCEG score recompute
  10. 2026-07-13 03:11 UTCGHSA enrichment
  11. 2026-07-12 05:46 UTCEPSS rescore
  12. 2026-07-12 01:25 UTCEG score recompute
  13. 2026-07-12 01:25 UTCGHSA enrichment
  14. 2026-07-11 08:27 UTCEPSS rescore
  15. 2026-07-10 23:39 UTCEG score recompute
  16. 2026-07-10 23:39 UTCGHSA enrichment
  17. 2026-07-09 21:53 UTCEG score recompute▲ 0.20
  18. 2026-07-09 21:53 UTCGHSA enrichment
  19. 2026-07-09 19:10 UTCEPSS rescore
  20. 2026-07-09 13:52 UTCNVD updateCVSS v3 → 6.1
  21. 2026-07-08 20:07 UTCEG score recompute
  22. 2026-07-08 20:06 UTCGHSA enrichment
  23. 2026-07-08 15:16 UTCEPSS rescore
  24. 2026-07-07 18:19 UTCEG score recompute
  25. 2026-07-07 18:16 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-48952?
CVE-2026-48952 is a medium vulnerability published on July 7, 2026. Lack of escaping leads to an XSS vulnerability in the update list view of com_installer.
When was CVE-2026-48952 disclosed?
CVE-2026-48952 was first published in the National Vulnerability Database on July 7, 2026, with the most recent update 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-2026-48952 actively exploited?
CVE-2026-48952 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-48952?
CVE-2026-48952 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-48952?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48952, 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-2026-48952

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