CVE-2020-15179
CVSS V2 Medium 4.6
CVSS V3 Critical 9
Description
The ScratchSig extension for MediaWiki before version 1.0.1 allows stored Cross-Site Scripting. Using <script> tag inside <scratchsig> tag, attackers with edit permission can execute scripts on visitors' browser. With MediaWiki JavaScript API, this can potentially lead to privilege escalation and/or account takeover. This has been patched in release 1.0.1. This has already been deployed to all Scratch Wikis. No workarounds exist other than disabling the extension completely.
Overview
- CVE ID
- CVE-2020-15179
- Assigner
- security-advisories@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-09-15T18:15:14
- Last Modified Date
- 2020-09-22T17:05:27
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:scratch-wiki:scratchsig:*:*:*:*:*:mediawiki:*:* | 1 | OR | 1.0.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:H/Au:S/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- HIGH
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9
- Base Severity
- CRITICAL
- Exploitability Score
- 2.3
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/InternationalScratchWiki/wiki-scratchsig/commit/4160a39a20eebeb63a59eb7597a91b961eca6388 | Patch Third Party Advisory |
| https://github.com/InternationalScratchWiki/wiki-scratchsig/security/advisories/GHSA-gp9v-pg9f-vmp6 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-15179 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15179 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:13:46 | Added to TrackCVE | |||
| 2022-12-04 22:40:23 | 2020-09-15T18:15Z | 2020-09-15T18:15:14 | CVE Published Date | updated |
| 2022-12-04 22:40:23 | 2020-09-22T17:05:27 | CVE Modified Date | updated | |
| 2022-12-04 22:40:23 | Analyzed | Vulnerability Status | updated |