CVE-2026-13499

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-06-28. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

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

A security flaw has been discovered in yashpokharna2555 restaurent-management-system. This impacts an unknown function of the file login_register.php of the component Registration Handler. Performing a manipulation of the argument Username results in cross site scripting. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
4.3
EG Score
4.3(high)
EPSS
19.7%
KEV
Not listed

Published

June 28, 2026

Last Modified

June 29, 2026

Advisory Details (2)

Auto-updated Jun 28, 2026
No patch confirmed yet.
generic

Stored XSS via username rendered from session data in `index.php` · Issue #4 · yashpokharna2555/restaurent-management-system · GitHub

https://github.com/yashpokharna2555/restaurent-management-system/issues/4
generic

GitHub - yashpokharna2555/restaurent-management-system: Restaurent management system · GitHub

https://github.com/yashpokharna2555/restaurent-management-system/

Vendor Advisories for CVE-2026-13499(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 28× 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. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 06:37 UTCEG score recompute
  3. 2026-07-06 06:37 UTCGHSA enrichment
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 04:14 UTCEG score recompute
  6. 2026-07-05 04:14 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 06:31 UTCEPSS rescore
  10. 2026-07-04 01:48 UTCEG score recompute
  11. 2026-07-04 01:47 UTCGHSA enrichment
  12. 2026-07-02 23:24 UTCEG score recompute
  13. 2026-07-02 23:24 UTCGHSA enrichment
  14. 2026-07-01 21:02 UTCEG score recompute
  15. 2026-07-01 21:02 UTCGHSA enrichment
  16. 2026-07-01 15:06 UTCEPSS rescore
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-06-30 23:22 UTCEPSS rescore
  19. 2026-06-30 18:38 UTCEG score recompute
  20. 2026-06-30 18:38 UTCGHSA enrichment
  21. 2026-06-29 16:15 UTCEG score recompute
  22. 2026-06-29 16:15 UTCGHSA enrichment
  23. 2026-06-29 15:26 UTCNVD updateCVSS v4 → 2.1
  24. 2026-06-29 14:06 UTCEPSS rescore
  25. 2026-06-29 13:32 UTCMITRE cvelistV5CVSS v4 → 5.3
Show 3 more
  1. 2026-06-28 16:02 UTCNVD updateCVSS v4 → 2.1
  2. 2026-06-28 13:52 UTCEG score recompute
  3. 2026-06-28 13:51 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-13499?
CVE-2026-13499 is a medium vulnerability published on June 28, 2026. A security flaw has been discovered in yashpokharna2555 restaurent-management-system. This impacts an unknown function of the file login_register.php of the component Registration Handler. Performing a manipulation of the argument Username results in cross site scripting. The attack may be…
When was CVE-2026-13499 disclosed?
CVE-2026-13499 was first published in the National Vulnerability Database on June 28, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13499 actively exploited?
CVE-2026-13499 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 19.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-13499?
CVE-2026-13499 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-13499?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13499, 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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