CVE-2025-34032: jmol XSS — Exploit

Description

A reflected cross-site scripting (XSS) vulnerability exists in the Moodle LMS Jmol plugin version 6.1 and prior via the data parameter in jsmol.php. The application fails to properly sanitize user input before embedding it into the HTTP response, allowing an attacker to execute arbitrary JavaScript in the victim's browser by crafting a malicious link. This can be used to hijack user sessions or manipulate page content. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-02 UTC.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
geoffrowland	jmol	< 6.1

References

Exploits

https://www.dionach.com/moodle-jmol-plugin-multiple-vulnerabilities/ https://www.exploit-db.com/exploits/46881 https://www.exploit-db.com/exploits/46881

Other References

https://vulncheck.com/advisories/moodle-lms-jmol-plugin-xss

Frequently Asked Questions

What is CVE-2025-34032? +

A reflected cross-site scripting (XSS) vulnerability exists in the Moodle LMS Jmol plugin version 6.1 and prior via the data parameter in jsmol.php. The application fails to properly sanitize user input before embedding it into the HTTP response, allowing an attacker to execute arbitrary JavaScript in the victim's browser by crafting a malicious link. This can be used to hijack user sessions or manipulate page content. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-02 UTC. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-34032? +

CVE-2025-34032 has a CVSS v3.1 score of 6.1 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-2025-34032? +

CVE-2025-34032 affects products from geoffrowland, specifically: jmol. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-34032? +

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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