CVE-2025-60506: XSS (CVSS 5.4)

Description

Moodle PDF Annotator plugin v1.5 release 9 allows stored cross-site scripting (XSS) via the Public Comments feature. An attacker with a low-privileged account (e.g., Student) can inject arbitrary JavaScript payloads into a comment. When any other user (Student, Teacher, or Admin) views the annotated PDF, the payload is executed in their browser, leading to session hijacking, credential theft, or other attacker-controlled actions.

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CVSS v3.1 Score

5.4

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://github.com/onurcangnc/moodle-xss-pdfannotator https://onurcangenc.com.tr/blog/moodle-xss-pdfannotator https://onurcangenc.com.tr/posts/cve-2025-60506-stored-cross-site-scripting-xss-in-moodle-pdf-annotator-plugin-v1-5-release-9/ https://onurcangenc.com.tr/posts/cve-2025-60506-stored-cross-site-scripting-xss-in-moodle-pdf-annotator-plugin-v1-5-release-9/

Frequently Asked Questions

What is CVE-2025-60506? +

Moodle PDF Annotator plugin v1.5 release 9 allows stored cross-site scripting (XSS) via the Public Comments feature. An attacker with a low-privileged account (e.g., Student) can inject arbitrary JavaScript payloads into a comment. When any other user (Student, Teacher, or Admin) views the annotated PDF, the payload is executed in their browser, leading to session hijacking, credential theft, or other attacker-controlled actions. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-60506? +

CVE-2025-60506 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.

How do I check if I'm vulnerable to CVE-2025-60506? +

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-2025-60506