Mediawiki v1.40.0 does not validate namespaces used in XML files.
Therefore, if the instance administrator allows XML file uploads,
a remote attacker with a low-privileged user account can use this
exploit to become an administrator by sending a malicious link to
the instance administrator.
                
            References
                    | Link | Resource | 
|---|---|
| https://fluidattacks.com/advisories/blondie/ | Exploit Third Party Advisory | 
| https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html | Mailing List Third Party Advisory | 
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ | |
| https://www.debian.org/security/2023/dsa-5520 | Third Party Advisory | 
| https://www.mediawiki.org/wiki/MediaWiki/ | Product | 
| https://fluidattacks.com/advisories/blondie/ | Exploit Third Party Advisory | 
| https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html | Mailing List Third Party Advisory | 
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ | |
| https://www.debian.org/security/2023/dsa-5520 | Third Party Advisory | 
| https://www.mediawiki.org/wiki/MediaWiki/ | Product | 
Configurations
                    History
                    13 Feb 2025, 17:16
| Type | Values Removed | Values Added | 
|---|---|---|
| Summary | (en) Mediawiki v1.40.0 does not validate namespaces used in XML files. Therefore, if the instance administrator allows XML file uploads, a remote attacker with a low-privileged user account can use this exploit to become an administrator by sending a malicious link to the instance administrator. | 
21 Nov 2024, 08:17
| Type | Values Removed | Values Added | 
|---|---|---|
| References | () https://fluidattacks.com/advisories/blondie/ - Exploit, Third Party Advisory | |
| References | () https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html - Mailing List, Third Party Advisory | |
| References | () https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ - | |
| References | () https://www.debian.org/security/2023/dsa-5520 - Third Party Advisory | |
| References | () https://www.mediawiki.org/wiki/MediaWiki/ - Product | 
10 Jun 2024, 17:16
| Type | Values Removed | Values Added | 
|---|---|---|
| References | 
 | 
01 Feb 2024, 00:54
| Type | Values Removed | Values Added | 
|---|---|---|
| CPE | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | |
| First Time | Debian Debian debian Linux | |
| References | (MISC) https://www.debian.org/security/2023/dsa-5520 - Third Party Advisory | |
| References | () https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html - Mailing List, Third Party Advisory | 
28 Nov 2023, 13:15
| Type | Values Removed | Values Added | 
|---|---|---|
| References | 
 | 
11 Oct 2023, 02:15
| Type | Values Removed | Values Added | 
|---|---|---|
| CVSS | v2 : v3 : | v2 : unknown v3 : 7.3 | 
| References | 
 | 
26 Sep 2023, 16:37
| Type | Values Removed | Values Added | 
|---|---|---|
| References | (MISC) https://fluidattacks.com/advisories/blondie/ - Exploit, Third Party Advisory | |
| References | (MISC) https://www.mediawiki.org/wiki/MediaWiki/ - Product | |
| CWE | CWE-79 | |
| CVSS | v2 : v3 : | v2 : unknown v3 : 9.0 | 
| First Time | Mediawiki Mediawiki mediawiki | |
| CPE | cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:* | 
25 Sep 2023, 16:16
| Type | Values Removed | Values Added | 
|---|---|---|
| New CVE | 
Information
                Published : 2023-09-25 16:15
Updated : 2025-02-13 17:16
NVD link : CVE-2023-3550
Mitre link : CVE-2023-3550
CVE.ORG link : CVE-2023-3550
JSON object : View
Products Affected
                debian
- debian_linux
mediawiki
- mediawiki
CWE
                
                    
                        
                        CWE-79
                        
            Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
