CVE-2025-71331

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory published 2026-06-20. a secondary CVSS source baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.1Exploit: NoneExposed: 0

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

Flowise before 3.0.8 contains a cross-site scripting (XSS) vulnerability caused by insufficient input filtering in chat messages and custom agent functions. An attacker can inject malicious JavaScript by sending an iframe payload (e.g., ) in a chat box, or by having a custom agent function return an XSS payload from an external website. The injected script executes in the victim's browser, enabling theft of cookies and session data.

CVSS v3
6.1
EG Score
6.1(high)
EG Risk
—
EPSS
12.8%
KEV
Not listed

Published

June 20, 2026

Last Modified

June 23, 2026

Advisory Details (2)

Auto-updated Jun 20, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

Flowise - Cross-Site Scripting in Chat Messages and Agent Workflows | Advisories | VulnCheck

https://www.vulncheck.com/advisories/flowise-cross-site-scripting-in-chat-messages-and-agent-workflows
github Patch Available🟡 PoC Available

XSS vulnerability in Flowise · Advisory · FlowiseAI/Flowise · GitHub

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-4fr9-3x69-36wv

Vendor Advisories for CVE-2025-71331(1)

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

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
flowise—3.0.8—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 71× 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. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:24 UTCEPSS rescore
  3. 2026-07-20 17:08 UTCEPSS rescore
  4. 2026-07-19 14:30 UTCEPSS rescore
  5. 2026-07-19 14:30 UTCEPSS rescore
  6. 2026-07-19 02:28 UTCEPSS rescore
  7. 2026-07-19 02:28 UTCEPSS rescore
  8. 2026-07-18 10:04 UTCEPSS rescore
  9. 2026-07-18 10:04 UTCEPSS rescore
  10. 2026-07-17 05:17 UTCGHSA enrichment
  11. 2026-07-16 17:02 UTCEPSS rescore
  12. 2026-07-16 17:02 UTCEPSS rescore
  13. 2026-07-16 07:15 UTCGHSA enrichment
  14. 2026-07-15 16:57 UTCEPSS rescore
  15. 2026-07-15 16:57 UTCEPSS rescore
  16. 2026-07-15 08:14 UTCGHSA enrichment
  17. 2026-07-15 02:00 UTCEPSS rescore
  18. 2026-07-15 01:59 UTCEPSS rescore
  19. 2026-07-14 10:21 UTCGHSA enrichment
  20. 2026-07-13 12:27 UTCGHSA enrichment
  21. 2026-07-13 06:12 UTCEPSS rescore
  22. 2026-07-12 14:34 UTCGHSA enrichment
  23. 2026-07-12 05:46 UTCEPSS rescore
  24. 2026-07-12 05:46 UTCEPSS rescore
  25. 2026-07-11 16:40 UTCGHSA enrichment
Show 50 more
  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-11 08:27 UTCEPSS rescore
  3. 2026-07-10 18:47 UTCGHSA enrichment
  4. 2026-07-09 20:53 UTCGHSA enrichment
  5. 2026-07-09 19:10 UTCEPSS rescore
  6. 2026-07-08 22:59 UTCGHSA enrichment
  7. 2026-07-08 15:15 UTCEPSS rescore
  8. 2026-07-08 01:02 UTCGHSA enrichment
  9. 2026-07-07 13:46 UTCEPSS rescore
  10. 2026-07-07 03:08 UTCGHSA enrichment
  11. 2026-07-06 16:27 UTCEPSS rescore
  12. 2026-07-06 05:14 UTCGHSA enrichment
  13. 2026-07-06 02:23 UTCEPSS rescore
  14. 2026-07-05 07:14 UTCGHSA enrichment
  15. 2026-07-05 02:30 UTCEPSS rescore
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-07-04 09:20 UTCGHSA enrichment
  18. 2026-07-04 06:31 UTCEPSS rescore
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-03 11:27 UTCGHSA enrichment
  21. 2026-07-02 13:22 UTCGHSA enrichment
  22. 2026-07-01 15:28 UTCGHSA enrichment
  23. 2026-07-01 15:06 UTCEPSS rescore
  24. 2026-06-30 23:22 UTCEPSS rescore
  25. 2026-06-30 23:22 UTCEPSS rescore
  26. 2026-06-30 17:35 UTCGHSA enrichment
  27. 2026-06-29 19:41 UTCGHSA enrichment
  28. 2026-06-29 14:06 UTCEPSS rescore
  29. 2026-06-29 14:06 UTCEPSS rescore
  30. 2026-06-28 21:48 UTCGHSA enrichment
  31. 2026-06-28 14:07 UTCEPSS rescore
  32. 2026-06-28 14:07 UTCEPSS rescore
  33. 2026-06-28 04:56 UTCEPSS rescore
  34. 2026-06-28 04:56 UTCEPSS rescore
  35. 2026-06-27 23:55 UTCGHSA enrichment
  36. 2026-06-27 03:08 UTCEPSS rescore
  37. 2026-06-27 02:01 UTCGHSA enrichment
  38. 2026-06-26 04:05 UTCGHSA enrichment
  39. 2026-06-25 13:49 UTCEPSS rescore
  40. 2026-06-25 13:49 UTCEPSS rescore
  41. 2026-06-25 06:11 UTCGHSA enrichment
  42. 2026-06-24 14:05 UTCEPSS rescore
  43. 2026-06-24 14:04 UTCEPSS rescore
  44. 2026-06-24 08:13 UTCGHSA enrichment
  45. 2026-06-23 21:32 UTCEPSS rescore
  46. 2026-06-23 10:19 UTCGHSA enrichment
  47. 2026-06-22 12:25 UTCGHSA enrichment
  48. 2026-06-21 14:31 UTCGHSA enrichment
  49. 2026-06-20 16:38 UTCEG score recompute
  50. 2026-06-20 16:35 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-71331?
CVE-2025-71331 is a medium vulnerability published on June 20, 2026. Flowise before 3.0.8 contains a cross-site scripting (XSS) vulnerability caused by insufficient input filtering in chat messages and custom agent functions. An attacker can inject malicious JavaScript by sending an iframe payload (e.g., <iframe src="javascript:alert(document.cookie)">) in a chat…
When was CVE-2025-71331 disclosed?
CVE-2025-71331 was first published in the National Vulnerability Database on June 20, 2026, with the most recent update on June 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-71331 actively exploited?
CVE-2025-71331 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-71331?
CVE-2025-71331 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2025-71331?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-71331, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-71331

Explore →

Is Your Infrastructure Affected by CVE-2025-71331?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs