CVE-2026-12228

HIGHNVD 5.48.7▲
EchelonGraph scoreMEDIUM confidence

Score 8.7 from GitHub Security Advisory (severity: HIGH) published 2026-07-18. NVD baseline CVSS 5.4; sources differ by 3.3.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
8.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: Elevated riskExposed: 0

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

A stored cross-site scripting (XSS) vulnerability exists in the POST /api/prompts/share endpoint of parisneo/lollms (latest version). The endpoint stores attacker-controlled prompt_content into DBDirectMessage.content without server-side sanitization. When a victim opens the direct message (DM) thread, the message is rendered by the DM UI through MessageContentRenderer, which uses v-html to insert rendered HTML into the DOM. The frontend sanitizer, which is regex-based, fails to comprehensively sanitize attacker-controlled HTML, allowing malicious payloads to execute in the victim's browser context. This vulnerability enables any authenticated user to send a malicious prompt-share message to another user's inbox, leading to arbitrary JavaScript execution, authenticated actions as the victim, exposure of same-origin application data, and potential account takeover.

CVSS v3
5.4
EG Score
8.7(medium)
EG Risk
55(Track*)
EG Risk 55/100SSVC: 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
Severity87% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

July 18, 2026

Last Modified

August 19, 2026

Advisory Details (1)

Auto-updated Jul 18, 2026
No patch confirmed yet.
generic

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Vendor Advisories for CVE-2026-12228(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 19× in last 7d / 112× 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 150 total refreshes for this CVE.

  1. 2026-08-30 03:09 UTCEG score recompute
  2. 2026-08-30 03:09 UTCGHSA enrichment
  3. 2026-08-30 01:21 UTCEPSS rescore
  4. 2026-08-28 21:40 UTCEPSS rescore
  5. 2026-08-27 23:52 UTCEG score recompute
  6. 2026-08-27 23:52 UTCGHSA enrichment
  7. 2026-08-27 14:24 UTCEPSS rescore
  8. 2026-08-27 12:02 UTCGHSA enrichment
  9. 2026-08-26 22:32 UTCEG score recompute
  10. 2026-08-26 22:32 UTCGHSA enrichment
  11. 2026-08-26 07:26 UTCGHSA enrichment
  12. 2026-08-25 18:49 UTCEG score recompute
  13. 2026-08-25 18:49 UTCGHSA enrichment
  14. 2026-08-25 13:48 UTCEPSS rescore
  15. 2026-08-25 06:57 UTCGHSA enrichment
  16. 2026-08-24 19:13 UTCEG score recompute
  17. 2026-08-24 19:13 UTCGHSA enrichment
  18. 2026-08-24 05:29 UTCGHSA enrichment
  19. 2026-08-23 17:44 UTCGHSA enrichment
  20. 2026-08-23 06:00 UTCEG score recompute
  21. 2026-08-23 06:00 UTCGHSA enrichment
  22. 2026-08-23 00:19 UTCEPSS rescore
  23. 2026-08-22 18:14 UTCGHSA enrichment
  24. 2026-08-22 06:29 UTCEG score recompute
  25. 2026-08-22 06:29 UTCGHSA enrichment
Show 75 more
  1. 2026-08-21 23:48 UTCEPSS rescore
  2. 2026-08-21 18:44 UTCGHSA enrichment
  3. 2026-08-21 06:57 UTCEG score recompute
  4. 2026-08-21 06:57 UTCGHSA enrichment
  5. 2026-08-20 22:55 UTCEPSS rescore
  6. 2026-08-20 19:05 UTCGHSA enrichment
  7. 2026-08-20 07:20 UTCGHSA enrichment
  8. 2026-08-19 19:35 UTCEG score recompute
  9. 2026-08-19 19:35 UTCGHSA enrichment
  10. 2026-08-19 19:35 UTCNVD updateCVSS v3 → 5.4 · severity → MEDIUM
  11. 2026-08-19 17:03 UTCEPSS rescore
  12. 2026-08-19 09:44 UTCGHSA enrichment
  13. 2026-08-18 21:50 UTCEG score recompute
  14. 2026-08-18 21:50 UTCGHSA enrichment
  15. 2026-08-18 13:48 UTCEPSS rescore
  16. 2026-08-18 09:33 UTCEG score recompute
  17. 2026-08-18 09:33 UTCGHSA enrichment
  18. 2026-08-17 21:11 UTCEG score recompute
  19. 2026-08-17 21:11 UTCGHSA enrichment
  20. 2026-08-17 08:36 UTCGHSA enrichment
  21. 2026-08-16 20:52 UTCEG score recompute
  22. 2026-08-16 20:52 UTCGHSA enrichment
  23. 2026-08-16 14:56 UTCEPSS rescore
  24. 2026-08-16 09:07 UTCEG score recompute
  25. 2026-08-16 09:07 UTCGHSA enrichment
  26. 2026-08-16 02:14 UTCEPSS rescore
  27. 2026-08-15 21:23 UTCGHSA enrichment
  28. 2026-08-15 09:39 UTCEG score recompute
  29. 2026-08-15 09:39 UTCGHSA enrichment
  30. 2026-08-15 01:30 UTCEPSS rescore
  31. 2026-08-14 21:54 UTCGHSA enrichment
  32. 2026-08-14 10:10 UTCGHSA enrichment
  33. 2026-08-13 22:26 UTCEG score recompute
  34. 2026-08-13 22:26 UTCGHSA enrichment
  35. 2026-08-13 22:00 UTCEPSS rescore
  36. 2026-08-13 10:42 UTCGHSA enrichment
  37. 2026-08-12 22:58 UTCEG score recompute
  38. 2026-08-12 22:58 UTCGHSA enrichment
  39. 2026-08-12 13:50 UTCEPSS rescore
  40. 2026-08-12 11:14 UTCGHSA enrichment
  41. 2026-08-11 23:29 UTCEG score recompute
  42. 2026-08-11 23:29 UTCGHSA enrichment
  43. 2026-08-11 13:42 UTCEPSS rescore
  44. 2026-08-11 11:46 UTCGHSA enrichment
  45. 2026-08-11 00:01 UTCEG score recompute
  46. 2026-08-11 00:01 UTCGHSA enrichment
  47. 2026-08-10 23:59 UTCEPSS rescore
  48. 2026-08-10 12:16 UTCGHSA enrichment
  49. 2026-08-10 00:32 UTCEG score recompute
  50. 2026-08-10 00:32 UTCGHSA enrichment
  51. 2026-08-09 13:46 UTCEPSS rescore
  52. 2026-08-09 12:48 UTCGHSA enrichment
  53. 2026-08-09 01:04 UTCEG score recompute
  54. 2026-08-09 01:04 UTCGHSA enrichment
  55. 2026-08-08 16:37 UTCEPSS rescore
  56. 2026-08-08 13:20 UTCGHSA enrichment
  57. 2026-08-08 01:36 UTCEG score recompute
  58. 2026-08-08 01:36 UTCGHSA enrichment
  59. 2026-08-07 13:51 UTCGHSA enrichment
  60. 2026-08-07 02:07 UTCGHSA enrichment
  61. 2026-08-06 14:23 UTCEG score recompute
  62. 2026-08-06 14:23 UTCGHSA enrichment
  63. 2026-08-06 13:46 UTCEPSS rescore
  64. 2026-08-06 02:39 UTCEG score recompute
  65. 2026-08-06 02:39 UTCGHSA enrichment
  66. 2026-08-05 19:17 UTCEPSS rescore
  67. 2026-08-05 14:55 UTCGHSA enrichment
  68. 2026-08-05 00:40 UTCEG score recompute
  69. 2026-08-05 00:40 UTCGHSA enrichment
  70. 2026-08-04 15:09 UTCEPSS rescore
  71. 2026-08-04 12:56 UTCEG score recompute
  72. 2026-08-04 12:56 UTCGHSA enrichment
  73. 2026-08-04 10:38 UTCEPSS rescore
  74. 2026-08-04 00:07 UTCGHSA enrichment
  75. 2026-08-03 12:22 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12228?
CVE-2026-12228 is a high vulnerability published on July 18, 2026. A stored cross-site scripting (XSS) vulnerability exists in the POST /api/prompts/share endpoint of parisneo/lollms (latest version). The endpoint stores attacker-controlled prompt_content into DBDirectMessage.content without server-side sanitization. When a victim opens the direct message (DM)…
When was CVE-2026-12228 disclosed?
CVE-2026-12228 was first published in the National Vulnerability Database on July 18, 2026, with the most recent update on August 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12228 actively exploited?
CVE-2026-12228 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 87.9% of all scored CVEs.
What is the CVSS score of CVE-2026-12228?
CVE-2026-12228 has a CVSS v3 base score of 5.4 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.7.
How do I remediate CVE-2026-12228?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12228, 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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