CVE-2026-87793

MEDIUMPre-NVD 5.15.1—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.1 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.5%, top 59% 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
5.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 5.1Exploit: None knownExposed: 0

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

The "Design Scuole Italia" WordPress theme is affected by a Reflected XSS vulnerability in the filters-scheda-didattica.php file, allowing an unauthenticated attacker to execute arbitrary JavaScript in a victim's browser via a crafted URL containing a malicious archive parameter.

CVSS v3
5.1
EG Score
5.1(medium)
EG Risk
23(Track)
EG Risk 23/100SSVC: 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
Severity51% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
41%
KEV
Not listed

Published

September 15, 2026

Last Modified

September 18, 2026

Advisory Details (2)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

Rilevate vulnerabilità nel tema WordPress “Design Scuole Italia” - ACN

https://www.acn.gov.it/portale/w/rilevate-vulnerabilita-nel-tema-wordpress-design-scuole-italia-
generic

GitHub - italia/design-scuole-wordpress-theme: Tema Wordpress dedicato al progetto per i siti delle scuole · GitHub

https://github.com/italia/design-scuole-wordpress-theme

Vendor Advisories for CVE-2026-87793(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 / 31× 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. 2026-09-24 15:46 UTCEG score recompute
  2. 2026-09-24 15:46 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-23 17:54 UTCEPSS rescore
  5. 2026-09-23 16:27 UTCGHSA enrichment
  6. 2026-09-22 17:08 UTCEG score recompute
  7. 2026-09-22 17:08 UTCGHSA enrichment
  8. 2026-09-22 16:01 UTCEPSS rescore
  9. 2026-09-21 21:09 UTCEPSS rescore
  10. 2026-09-21 17:33 UTCEG score recompute
  11. 2026-09-21 17:33 UTCGHSA enrichment
  12. 2026-09-20 20:16 UTCEPSS rescore
  13. 2026-09-20 18:09 UTCGHSA enrichment
  14. 2026-09-19 18:50 UTCEG score recompute
  15. 2026-09-19 18:50 UTCGHSA enrichment
  16. 2026-09-18 19:29 UTCEG score recompute
  17. 2026-09-18 19:29 UTCGHSA enrichment
  18. 2026-09-18 19:28 UTCEPSS rescore
  19. 2026-09-18 18:41 UTCEG score recompute
  20. 2026-09-18 18:41 UTCGHSA enrichment
  21. 2026-09-17 19:32 UTCEPSS rescore
  22. 2026-09-17 19:22 UTCGHSA enrichment
  23. 2026-09-16 17:55 UTCEG score recompute
  24. 2026-09-16 17:55 UTCGHSA enrichment
  25. 2026-09-16 14:09 UTCEPSS rescore
Show 6 more
  1. 2026-09-15 18:33 UTCEG score recompute
  2. 2026-09-15 18:33 UTCGHSA enrichment
  3. 2026-09-15 17:39 UTCEG score recompute
  4. 2026-09-15 16:32 UTCEG score recompute
  5. 2026-09-15 15:33 UTCEG score recompute
  6. 2026-09-15 15:32 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-87793?
CVE-2026-87793 is a medium vulnerability published on September 15, 2026. The "Design Scuole Italia" WordPress theme is affected by a Reflected XSS vulnerability in the filters-scheda-didattica.php file, allowing an unauthenticated attacker to execute arbitrary JavaScript in a victim's browser via a crafted URL containing a malicious archive parameter.
When was CVE-2026-87793 disclosed?
CVE-2026-87793 was first published in the National Vulnerability Database on September 15, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-87793 actively exploited?
CVE-2026-87793 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 59.2% of all scored CVEs.
What is the CVSS score of CVE-2026-87793?
CVE-2026-87793 has a CVSS v3 base score of 5.1 (NVD).
How do I remediate CVE-2026-87793?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-87793, 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

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