CVE-2026-78079

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 82% 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: cna:joomla, epss
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

Joomla Extension - joomshaper.com - Open Redirect via Base64 Return Parameter in Helix Ultimate < 2.2.10 - Return redirect parameters accepted arbitrary Base64 strings without verifying whether the resolved target was an internal site URL via Uri::isInternal.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

August 31, 2026

Last Modified

September 1, 2026

Advisory Details (1)

Auto-updated Aug 31, 2026
No patch confirmed yet.
generic

Helix Ultimate - Free Universal Joomla Template for any Website - JoomShaper

https://www.joomshaper.com/joomla-templates/helixultimate

Vendor Advisories for CVE-2026-78079(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 19× in last 7d / 56× 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. 2026-09-20 20:16 UTCEPSS rescore
  2. 2026-09-20 02:58 UTCEG score recompute
  3. 2026-09-20 02:58 UTCGHSA enrichment
  4. 2026-09-19 02:39 UTCEG score recompute
  5. 2026-09-19 02:39 UTCGHSA enrichment
  6. 2026-09-18 19:28 UTCEPSS rescore
  7. 2026-09-18 02:21 UTCEG score recompute
  8. 2026-09-18 02:21 UTCGHSA enrichment
  9. 2026-09-17 02:02 UTCEG score recompute
  10. 2026-09-17 02:02 UTCGHSA enrichment
  11. 2026-09-16 14:08 UTCEPSS rescore
  12. 2026-09-16 05:15 UTCEPSS rescore
  13. 2026-09-16 01:43 UTCEG score recompute
  14. 2026-09-16 01:43 UTCGHSA enrichment
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-15 03:12 UTCEPSS rescore
  17. 2026-09-15 01:24 UTCGHSA enrichment
  18. 2026-09-14 01:05 UTCEG score recompute
  19. 2026-09-14 01:05 UTCGHSA enrichment
  20. 2026-09-13 00:47 UTCEG score recompute
  21. 2026-09-13 00:47 UTCGHSA enrichment
  22. 2026-09-12 00:28 UTCEG score recompute
  23. 2026-09-12 00:28 UTCGHSA enrichment
  24. 2026-09-11 14:53 UTCEPSS rescore
  25. 2026-09-11 14:53 UTCEPSS rescore
Show 31 more
  1. 2026-09-11 00:09 UTCEG score recompute
  2. 2026-09-11 00:08 UTCGHSA enrichment
  3. 2026-09-10 09:35 UTCEPSS rescore
  4. 2026-09-09 23:48 UTCGHSA enrichment
  5. 2026-09-08 23:30 UTCEG score recompute
  6. 2026-09-08 23:30 UTCGHSA enrichment
  7. 2026-09-08 22:01 UTCEPSS rescore
  8. 2026-09-07 16:16 UTCEG score recompute
  9. 2026-09-07 16:16 UTCGHSA enrichment
  10. 2026-09-06 15:58 UTCEG score recompute
  11. 2026-09-06 15:58 UTCGHSA enrichment
  12. 2026-09-06 13:48 UTCEPSS rescore
  13. 2026-09-05 15:39 UTCEG score recompute
  14. 2026-09-05 15:38 UTCGHSA enrichment
  15. 2026-09-04 15:19 UTCEG score recompute
  16. 2026-09-04 15:19 UTCGHSA enrichment
  17. 2026-09-04 05:07 UTCEPSS rescore
  18. 2026-09-03 14:57 UTCGHSA enrichment
  19. 2026-09-02 14:34 UTCEG score recompute
  20. 2026-09-02 14:34 UTCGHSA enrichment
  21. 2026-09-02 14:12 UTCEPSS rescore
  22. 2026-09-01 14:06 UTCEG score recompute
  23. 2026-09-01 14:06 UTCGHSA enrichment
  24. 2026-09-01 13:54 UTCEPSS rescore
  25. 2026-09-01 13:53 UTCEG score recompute
  26. 2026-09-01 13:53 UTCGHSA enrichment
  27. 2026-08-31 19:41 UTCGHSA enrichment
  28. 2026-08-31 15:22 UTCEG score recompute
  29. 2026-08-31 14:25 UTCEG score recompute
  30. 2026-08-31 14:01 UTCEG score recompute
  31. 2026-08-31 13:59 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-78079?
CVE-2026-78079 is a medium vulnerability published on August 31, 2026. Joomla Extension - joomshaper.com - Open Redirect via Base64 Return Parameter in Helix Ultimate < 2.2.10 - Return redirect parameters accepted arbitrary Base64 strings without verifying whether the resolved target was an internal site URL via Uri::isInternal.
When was CVE-2026-78079 disclosed?
CVE-2026-78079 was first published in the National Vulnerability Database on August 31, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-78079 actively exploited?
CVE-2026-78079 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 81.7% of all scored CVEs.
What is the CVSS score of CVE-2026-78079?
CVE-2026-78079 has a CVSS v4.0 base score of 5.3 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-78079?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78079, 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-2026-78079

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