CVE-2026-63264

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 83% 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 — 4 sources updated this week
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 0

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

The Joomla extension JoomShopping is vulnerable to an reflected XSS vulnerability in the product frontend controller.

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
17.4%
KEV
Not listed

Published

July 22, 2026

Last Modified

July 22, 2026

Advisory Details (1)

Auto-updated Jul 22, 2026
No patch confirmed yet.
generic

Joomla Webdesign

https://www.joomshopping.com/

Vendor Advisories for CVE-2026-63264(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 10× in last 7d / 10× 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. 2026-07-22 15:00 UTCEG score recompute
  2. 2026-07-22 15:00 UTCGHSA enrichment
  3. 2026-07-22 14:08 UTCEPSS rescore
  4. 2026-07-22 14:08 UTCEPSS rescore
  5. 2026-07-22 13:21 UTCEG score recompute
  6. 2026-07-22 13:21 UTCGHSA enrichment
  7. 2026-07-22 09:32 UTCEG score recompute
  8. 2026-07-22 09:32 UTCGHSA enrichment
  9. 2026-07-22 09:14 UTCEG score recompute
  10. 2026-07-22 09:13 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-63264?
CVE-2026-63264 is a medium vulnerability published on July 22, 2026. The Joomla extension JoomShopping is vulnerable to an reflected XSS vulnerability in the product frontend controller.
When was CVE-2026-63264 disclosed?
CVE-2026-63264 was first published in the National Vulnerability Database on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63264 actively exploited?
CVE-2026-63264 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-63264?
CVE-2026-63264 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-63264?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63264, 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-2026-63264

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