CVE-2025-11844: smolagents — Exploit & Fix

Description

Hugging Face Smolagents version 1.20.0 contains an XPath injection vulnerability in the search_item_ctrl_f function located in src/smolagents/vision_web_browser.py. The function constructs an XPath query by directly concatenating user-supplied input into the XPath expression without proper sanitization or escaping. This allows an attacker to inject malicious XPath syntax that can alter the intended query logic. The vulnerability enables attackers to bypass search filters, access unintended DOM elements, and disrupt web automation workflows. This can lead to information disclosure, manipulation of AI agent interactions, and compromise the reliability of automated web tasks. The issue is fixed in version 1.22.0.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-643 CWE-643

Affected Products

Vendor	Product	Versions
huggingface	smolagents	1.20.0 — 1.22.0

References

Advisories & Patches

https://github.com/huggingface/smolagents/commit/f570ed5e17999d4cf7d5e79c2830fbaefab8a794

Exploits

https://huntr.com/bounties/01ab4405-9bca-4b26-b7a3-5ca1863a69b4 https://huntr.com/bounties/01ab4405-9bca-4b26-b7a3-5ca1863a69b4

Frequently Asked Questions

What is CVE-2025-11844? +

Hugging Face Smolagents version 1.20.0 contains an XPath injection vulnerability in the search_item_ctrl_f function located in src/smolagents/vision_web_browser.py. The function constructs an XPath query by directly concatenating user-supplied input into the XPath expression without proper sanitization or escaping. This allows an attacker to inject malicious XPath syntax that can alter the intended query logic. The vulnerability enables attackers to bypass search filters, access unintended DOM elements, and disrupt web automation workflows. This can lead to information disclosure, manipulation of AI agent interactions, and compromise the reliability of automated web tasks. The issue is fixed in version 1.22.0. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-11844? +

CVE-2025-11844 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-11844? +

CVE-2025-11844 affects products from huggingface, specifically: smolagents. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-11844? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-11844