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🐍 PyPI
Not in CISA KEV
HIGH severity

CVE-2025-51464 — aim

HIGHFix: aimhubio/aim#3333

CVE-2025-51464 is a high-severity (CVSS 8.8) Cross-site Scripting (XSS) vulnerability in aim. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Aim vulnerable to Cross-site Scripting

Also known asGHSA-gmvv-rj92-9w35PYSEC-2026-1087
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 8, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

  • CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.
  • A successful exploit gives an attacker total control of the affected component, not partial access.

Exploitation and automatability from CISA’s SSVC triage for CVE-2025-51464.

EPSS Exploitation Probability

via FIRST.org ↗
0.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs54th percentile — riskier than 54% of all scored CVEsHighest risk
0.10%0.86%1.62%2.38%0.7%0.7%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍aim

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Cross-site Scripting (XSS) in aimhubio Aim 3.28.0 allows remote attackers to execute arbitrary JavaScript in victims browsers via malicious Python code submitted to the /api/reports endpoint, which is interpreted and executed by Pyodide when the report is viewed. No sanitisation or sandbox restrictions prevent JavaScript execution via pyodide.code.run_js().

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐍PyPIaimall versionsNo fix

Affected Products

1 product · 1 configurations
Application
aimaimstack
1 version
3.28.0

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for aim, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of aim for CVE-2025-51464. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

Cross-site Scripting (XSS) in aimhubio Aim 3.28.0 allows remote attackers to execute arbitrary JavaScript in victims browsers via malicious Python code submitted to the /api/reports endpoint, which is interpreted and executed by Pyodide when the report is viewed. No sanitisation or sandbox restrictions prevent JavaScript execution via pyodide.code.run_js().
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CVE-2025-51464: aim XSS (High 8.8)