MediaWiki up to 1.34.3 Special:Contributions Page Messages cross site scripting
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.6 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in MediaWiki up to 1.34.3 (Content Management System). Affected is an unknown function of the component Special:Contributions Page. The manipulation as part of a Messages leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. This is going to have an impact on integrity. CVE summarizes:
An issue was discovered in MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.
The weakness was released 09/27/2020 (Website). The advisory is shared for download at lists.wikimedia.org. This vulnerability is traded as CVE-2020-25812 since 09/23/2020. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.
Upgrading to version 1.34.4 eliminates this vulnerability.
Entries connected to this vulnerability are available at 162037, 162038, 162039 and 162040.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.8VulDB Meta Temp Score: 4.7
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: MediaWiki 1.34.4
Timeline
09/23/2020 🔍09/27/2020 🔍
09/28/2020 🔍
11/14/2020 🔍
Sources
Product: mediawiki.orgAdvisory: lists.wikimedia.org
Status: Not defined
Confirmation: 🔍
CVE: CVE-2020-25812 (🔍)
See also: 🔍
Entry
Created: 09/28/2020 07:18Updated: 11/14/2020 17:07
Changes: 09/28/2020 07:18 (39), 09/28/2020 07:23 (4), 11/13/2020 07:57 (3), 11/14/2020 16:58 (1), 11/14/2020 17:07 (8)
Complete: 🔍
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