CVE-2025-34032

low-risk
Published 2025-06-24

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.

Do I need to act?

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0.10% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Geoffrowland

References (4)

Third Party Advisory https://vulncheck.com/advisories/moodle-lms-jmol-plugin-xss
Exploit https://www.dionach.com/moodle-jmol-plugin-multiple-vulnerabilities/
Exploit https://www.exploit-db.com/exploits/46881
Exploit https://www.exploit-db.com/exploits/46881
28
/ 100
low-risk
Severity 23/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal