CVE-2026-77996

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 84% 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
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

Joomla Extension - yootheme.com - Authenticated, privileged stored XSS in YOOtheme Pro 1.0.0-5.0.41 - Lack of escaping in the location custom field lead to a XSS vector.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

August 25, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 25, 2026
No patch confirmed yet.
generic

YOOtheme Pro: The ultimate website builder for WordPress and Joomla

https://www.yootheme.com/

Vendor Advisories for CVE-2026-77996(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 26× in last 7d / 26× 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. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-29 22:03 UTCGHSA enrichment
  3. 2026-08-29 11:12 UTCGHSA enrichment
  4. 2026-08-29 00:17 UTCEG score recompute
  5. 2026-08-29 00:17 UTCGHSA enrichment
  6. 2026-08-28 21:42 UTCEPSS rescore
  7. 2026-08-28 12:13 UTCGHSA enrichment
  8. 2026-08-28 01:21 UTCGHSA enrichment
  9. 2026-08-27 14:27 UTCEG score recompute
  10. 2026-08-27 14:27 UTCGHSA enrichment
  11. 2026-08-27 14:25 UTCEPSS rescore
  12. 2026-08-27 03:35 UTCGHSA enrichment
  13. 2026-08-26 16:44 UTCEG score recompute
  14. 2026-08-26 16:44 UTCGHSA enrichment
  15. 2026-08-26 14:47 UTCEPSS rescore
  16. 2026-08-26 06:59 UTCGHSA enrichment
  17. 2026-08-26 04:55 UTCEG score recompute
  18. 2026-08-26 04:55 UTCGHSA enrichment
  19. 2026-08-26 00:18 UTCGHSA enrichment
  20. 2026-08-25 13:22 UTCEG score recompute
  21. 2026-08-25 13:22 UTCGHSA enrichment
  22. 2026-08-25 13:16 UTCEG score recompute
  23. 2026-08-25 13:16 UTCGHSA enrichment
  24. 2026-08-25 12:17 UTCEG score recompute
  25. 2026-08-25 12:01 UTCEG score recompute
Show 1 more
  1. 2026-08-25 12:01 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-77996?
CVE-2026-77996 is a high vulnerability published on August 25, 2026. Joomla Extension - yootheme.com - Authenticated, privileged stored XSS in YOOtheme Pro 1.0.0-5.0.41 - Lack of escaping in the location custom field lead to a XSS vector.
When was CVE-2026-77996 disclosed?
CVE-2026-77996 was first published in the National Vulnerability Database on August 25, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-77996 actively exploited?
CVE-2026-77996 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 84.2% of all scored CVEs.
What is the CVSS score of CVE-2026-77996?
CVE-2026-77996 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-77996?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-77996, 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-2026-77996

Explore →

Is Your Infrastructure Affected by CVE-2026-77996?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs