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
Trending — 3 sources updated this week
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)
EPSS
12.7%
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.

Weakness Classification(1)

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

Data Freshness Timeline

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

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 12.7% 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

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