CVE-2026-34907

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: 0.3%, top 80% 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
5.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.1Exploit: NoneExposed: 0

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

Wirtualna Uczelnia is vulnerable to Reflected Cross‑Site Scripting (XSS) due to insecure handling of the locale parameter across multiple endpoints. An attacker can craft a malicious URL with JavaScript embedded in the locale parameter and send it to a victim. When the victim opens the link, the injected script will be executed in their browser.

This issue affects Wirtualna Uczelnia versions up to wu#2016.437.295#0#20260327_105545

CVSS v3
5.1
EG Score
5.1(medium)
EPSS
20.4%
KEV
Not listed

Published

June 2, 2026

Last Modified

June 2, 2026

Advisory Details (2)

Auto-updated Jun 14, 2026
No patch confirmed yet.
generic

Oprogramowanie dla uczelni wyższych – system ERP - Simple

https://simple.com.pl/branze/edukacyjna/
generic

Podatności w oprogramowaniu Wirtualna Uczelnia | CERT Polska

https://cert.pl/posts/2026/06/CVE-2026-34906

Vendor Advisories for CVE-2026-34907(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 13× in last 7d / 76× 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.

Showing the most recent 100 of 125 total refreshes for this CVE.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 02:00 UTCEPSS rescore
  4. 2026-07-14 03:40 UTCEG score recompute
  5. 2026-07-14 03:40 UTCGHSA enrichment
  6. 2026-07-13 22:30 UTCEPSS rescore
  7. 2026-07-13 06:13 UTCEPSS rescore
  8. 2026-07-13 06:13 UTCEPSS rescore
  9. 2026-07-12 05:46 UTCEPSS rescore
  10. 2026-07-11 13:11 UTCEG score recompute
  11. 2026-07-11 13:11 UTCGHSA enrichment
  12. 2026-07-11 08:27 UTCEPSS rescore
  13. 2026-07-09 19:10 UTCEPSS rescore
  14. 2026-07-08 16:42 UTCEG score recompute
  15. 2026-07-08 16:42 UTCGHSA enrichment
  16. 2026-07-08 15:15 UTCEPSS rescore
  17. 2026-07-07 13:46 UTCEPSS rescore
  18. 2026-07-06 16:27 UTCEPSS rescore
  19. 2026-07-06 16:27 UTCEPSS rescore
  20. 2026-07-06 02:23 UTCEPSS rescore
  21. 2026-07-06 02:23 UTCEPSS rescore
  22. 2026-07-05 02:30 UTCEPSS rescore
  23. 2026-07-04 06:31 UTCEPSS rescore
  24. 2026-07-03 23:59 UTCEG score recompute
  25. 2026-07-03 23:59 UTCGHSA enrichment
Show 75 more
  1. 2026-07-02 01:42 UTCEG score recompute
  2. 2026-07-02 01:42 UTCGHSA enrichment
  3. 2026-07-01 15:06 UTCEPSS rescore
  4. 2026-07-01 00:50 UTCEG score recompute
  5. 2026-07-01 00:50 UTCGHSA enrichment
  6. 2026-06-30 23:22 UTCEPSS rescore
  7. 2026-06-30 00:30 UTCEG score recompute
  8. 2026-06-30 00:30 UTCGHSA enrichment
  9. 2026-06-29 14:06 UTCEPSS rescore
  10. 2026-06-29 14:06 UTCEPSS rescore
  11. 2026-06-29 00:10 UTCEG score recompute
  12. 2026-06-29 00:10 UTCGHSA enrichment
  13. 2026-06-28 14:07 UTCEPSS rescore
  14. 2026-06-28 14:07 UTCEPSS rescore
  15. 2026-06-28 04:56 UTCEPSS rescore
  16. 2026-06-28 04:56 UTCEPSS rescore
  17. 2026-06-27 23:32 UTCEG score recompute
  18. 2026-06-27 23:32 UTCGHSA enrichment
  19. 2026-06-27 03:08 UTCEPSS rescore
  20. 2026-06-26 23:11 UTCEG score recompute
  21. 2026-06-26 23:11 UTCGHSA enrichment
  22. 2026-06-25 22:52 UTCEG score recompute
  23. 2026-06-25 22:52 UTCGHSA enrichment
  24. 2026-06-25 13:49 UTCEPSS rescore
  25. 2026-06-25 13:49 UTCEPSS rescore
  26. 2026-06-24 22:29 UTCEG score recompute
  27. 2026-06-24 22:29 UTCGHSA enrichment
  28. 2026-06-24 14:05 UTCEPSS rescore
  29. 2026-06-23 21:33 UTCEPSS rescore
  30. 2026-06-23 21:33 UTCEPSS rescore
  31. 2026-06-23 20:31 UTCEG score recompute
  32. 2026-06-23 20:31 UTCGHSA enrichment
  33. 2026-06-22 14:25 UTCEPSS rescore
  34. 2026-06-22 14:25 UTCEPSS rescore
  35. 2026-06-21 14:56 UTCEPSS rescore
  36. 2026-06-21 14:56 UTCEPSS rescore
  37. 2026-06-21 01:59 UTCEPSS rescore
  38. 2026-06-20 13:13 UTCEG score recompute
  39. 2026-06-20 13:13 UTCGHSA enrichment
  40. 2026-06-19 19:25 UTCEPSS rescore
  41. 2026-06-19 19:25 UTCEPSS rescore
  42. 2026-06-18 17:52 UTCEPSS rescore
  43. 2026-06-18 17:52 UTCEPSS rescore
  44. 2026-06-18 16:44 UTCEG score recompute
  45. 2026-06-18 16:44 UTCGHSA enrichment
  46. 2026-06-17 17:53 UTCEPSS rescore
  47. 2026-06-17 15:14 UTCEG score recompute
  48. 2026-06-17 15:14 UTCGHSA enrichment
  49. 2026-06-16 17:52 UTCEPSS rescore
  50. 2026-06-16 14:54 UTCEG score recompute
  51. 2026-06-16 14:54 UTCGHSA enrichment
  52. 2026-06-15 17:49 UTCEPSS rescore
  53. 2026-06-15 14:31 UTCEG score recompute
  54. 2026-06-15 14:30 UTCGHSA enrichment
  55. 2026-06-14 23:18 UTCEPSS rescore
  56. 2026-06-14 14:08 UTCEG score recompute
  57. 2026-06-14 14:08 UTCGHSA enrichment
  58. 2026-06-13 23:00 UTCEPSS rescore
  59. 2026-06-13 13:49 UTCEG score recompute
  60. 2026-06-13 13:49 UTCGHSA enrichment
  61. 2026-06-12 23:12 UTCEPSS rescore
  62. 2026-06-12 23:12 UTCEPSS rescore
  63. 2026-06-12 13:11 UTCEG score recompute
  64. 2026-06-12 13:11 UTCGHSA enrichment
  65. 2026-06-11 14:00 UTCEPSS rescore
  66. 2026-06-11 12:51 UTCEG score recompute
  67. 2026-06-11 12:51 UTCGHSA enrichment
  68. 2026-06-10 22:18 UTCEPSS rescore
  69. 2026-06-10 13:22 UTCEPSS rescore
  70. 2026-06-10 12:32 UTCEG score recompute
  71. 2026-06-10 12:32 UTCGHSA enrichment
  72. 2026-06-09 12:12 UTCEG score recompute
  73. 2026-06-09 12:12 UTCGHSA enrichment
  74. 2026-06-08 14:17 UTCEPSS rescore
  75. 2026-06-08 14:17 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-34907?
CVE-2026-34907 is a medium vulnerability published on June 2, 2026. Wirtualna Uczelnia is vulnerable to Reflected Cross‑Site Scripting (XSS) due to insecure handling of the locale parameter across multiple endpoints. An attacker can craft a malicious URL with JavaScript embedded in the locale parameter and send it to a victim. When the victim opens the link, the…
When was CVE-2026-34907 disclosed?
CVE-2026-34907 was first published in the National Vulnerability Database on June 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34907 actively exploited?
CVE-2026-34907 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-34907?
CVE-2026-34907 has a CVSS v3 base score of 5.1 (NVD).
How do I remediate CVE-2026-34907?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34907, 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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