CVE-2026-34098

MEDIUMPre-NVD 4.64.6—
EchelonGraph scoreMEDIUM confidence

Score 4.6 from GitHub Security Advisory published 2026-07-01. a secondary CVSS source baseline 4.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
4.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.6Exploit: Elevated riskExposed: 0

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

Guardian language-system fails to sanitize the id GET parameter before inserting it into HTML source and form action attributes in media.php (lines 119, 129). An authenticated attacker can craft a URL that injects script tags executing in the victim's browser session.

CVSS v3
4.6
EG Score
4.6(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity46% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
14%
KEV
Not listed

Published

July 1, 2026

Last Modified

July 14, 2026

Advisory Details (2)

Auto-updated Jul 3, 2026
No patch confirmed yet.
generic

Guardian Language-System XSS via id Parameter in media.php | Advisories | VulnCheck

https://www.vulncheck.com/advisories/guardian-language-system-xss-via-id-parameter-in-media-php
generic

the_guardian_system_poc · GitHub

https://gist.github.com/cyberinforepo/d5b2771d82e1b31b8fc1c33052e08dad

Vendor Advisories for CVE-2026-34098(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 8× 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.

Showing the most recent 100 of 146 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-34098?
CVE-2026-34098 is a medium vulnerability published on July 1, 2026. Guardian language-system fails to sanitize the id GET parameter before inserting it into HTML source and form action attributes in media.php (lines 119, 129). An authenticated attacker can craft a URL that injects script tags executing in the victim's browser session.
When was CVE-2026-34098 disclosed?
CVE-2026-34098 was first published in the National Vulnerability Database on July 1, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34098 actively exploited?
CVE-2026-34098 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 85.6% of all scored CVEs.
What is the CVSS score of CVE-2026-34098?
CVE-2026-34098 has a CVSS v3 base score of 4.6 (NVD).
How do I remediate CVE-2026-34098?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34098, 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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