Multiple vulnerabilities in Moodle



Risk High
Patch available YES
Number of vulnerabilities 8
CVE-ID CVE-2025-49512
CVE-2025-49518
CVE-2025-49517
CVE-2025-49516
CVE-2025-49515
CVE-2025-46337
CVE-2025-49513
CVE-2025-49514
CWE-ID CWE-79
CWE-284
CWE-862
CWE-352
CWE-200
CWE-89
CWE-524
CWE-918
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Moodle
Web applications / Other software

Vendor moodle.org

Security Bulletin

This security bulletin contains information about 8 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU111251

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-49512

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in MathJax. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moodle: 5.0.0

CPE2.3 External links

https://moodle.org/mod/forum/discuss.php?d=468500
https://github.com/search?q=repo%3Amoodle%2Fmoodle+MDL-85488&type=commits


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper access control

EUVDB-ID: #VU111265

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-49518

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the IDOR issue. A remote user can fetch other users' recently accessed courses information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moodle: 4.1.0 - 5.0.0

CPE2.3 External links

https://moodle.org/mod/forum/discuss.php?d=468507
https://github.com/search?q=repo%3Amoodle%2Fmoodle+MDL-79993&type=commits


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Missing Authorization

EUVDB-ID: #VU111257

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-49517

CWE-ID: CWE-862 - Missing Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to missing authorization in BigBlueButton view page. A remote user can view BigBlueButton recordings they do not have permission to access.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moodle: 4.1.0 - 5.0.0

CPE2.3 External links

https://moodle.org/mod/forum/discuss.php?d=468506


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Cross-site request forgery

EUVDB-ID: #VU111256

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-49516

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in the "move up" and "move down" actions in backpack management for badges. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moodle: 4.1.0 - 5.0.0

CPE2.3 External links

https://moodle.org/mod/forum/discuss.php?d=468505
https://github.com/search?q=repo%3Amoodle%2Fmoodle+MDL-84497&type=commits


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Information disclosure

EUVDB-ID: #VU111255

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-49515

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to insufficient state and capability checks. A remote user can gain unauthorized access to some details of hidden courses.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moodle: 4.1.0 - 5.0.0

CPE2.3 External links

https://moodle.org/mod/forum/discuss.php?d=468504
https://github.com/search?q=repo%3Amoodle%2Fmoodle+MDL-84518&type=commits


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) SQL injection

EUVDB-ID: #VU111254

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-46337

CWE-ID: CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data in ADOdb PostgreSQL driver within pg_insert_id() method. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Moodle: 4.1.0 - 5.0.0

CPE2.3 External links

https://moodle.org/mod/forum/discuss.php?d=468502
https://github.com/search?q=repo%3Amoodle%2Fmoodle+MDL-85375&type=commits


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Use of cache containing sensitive information

EUVDB-ID: #VU111253

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-49513

CWE-ID: CWE-524 - Use of Cache Containing Sensitive Information

Exploit availability: No

Description

The vulnerability allows a local attacker to compromise user accounts.

The vulnerability exists due to use of cache containing sensitive information. An attacker with physical access can gain access to user's password on the login page after log out.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moodle: 4.1.0 - 5.0.0

CPE2.3 External links

https://moodle.org/mod/forum/discuss.php?d=468501
https://github.com/search?q=repo%3Amoodle%2Fmoodle+MDL-85323&type=commits


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Server-Side Request Forgery (SSRF)

EUVDB-ID: #VU111252

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-49514

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input within DNS rebind. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moodle: 4.1.0 - 5.0.0

CPE2.3 External links

https://moodle.org/mod/forum/discuss.php?d=468503
https://github.com/search?q=repo%3Amoodle%2Fmoodle+MDL-83762&type=commits


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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