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CVE-2021-43841

MEDIUM
Published 2022-02-04T22:30:14.000Z
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CVSS Score

V3.1
5.4
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.006
probability
of exploitation in the wild

There is a 0.6% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.675
Higher than 67.5% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
NONE

Description

XWiki is a generic wiki platform offering runtime services for applications built on top of it. When using default XWiki configuration, it's possible for an attacker to upload an SVG containing a script executed when executing the download action on the file. This problem has been patched so that the default configuration doesn't allow to display the SVG files in the browser. Users are advised to update or to disallow uploads of SVG files.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

xwiki

xwiki-platform

Affected Versions:

< 12.10.6 >= 13.0, < 13.3RC1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Cross-site Scripting by SVG upload in xwiki-platform

GHSA-9jq9-c2cv-pcrj

Advisory Details

### Impact When using default XWiki configuration, it's possible for an attacker to upload an SVG containing a script executed when executing the download action on the file. ### Patches This problem has been patched so that the default configuration doesn't allow to display the SVG files in the browser. ### Workarounds This issue can be fixed without the patch by setting properly the configuration to download or display files, see: https://www.xwiki.org/xwiki/bin/view/Documentation/AdminGuide/Attachments#HAttachmentdisplayordownload ### References https://jira.xwiki.org/browse/XWIKI-18368 ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira](http://jira.xwiki.org) * Email us at [security ML](mailto:[email protected])

Affected Packages

Maven org.xwiki.platform:xwiki-platform-oldcore
ECOSYSTEM: ≥0 <12.10.6
Maven org.xwiki.platform:xwiki-platform-oldcore
ECOSYSTEM: ≥13.0 <13.3RC1
Maven org.xwiki.platform:xwiki-platform-tool-configuration-resources
ECOSYSTEM: ≥13.0 <13.3RC1
Maven org.xwiki.platform:xwiki-platform-tool-configuration-resources
ECOSYSTEM: ≥0 <12.10.6

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

WEB https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-9jq9-c2cv-pcrj
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-43841
WEB https://github.com/xwiki/xwiki-platform/commit/5853d492b3a274db0d94d560e2a5ea988a271c62
WEB https://github.com/xwiki/xwiki-platform
WEB https://jira.xwiki.org/browse/XWIKI-18368
WEB https://www.xwiki.org/xwiki/bin/view/Documentation/AdminGuide/Attachments#HAttachmentdisplayordownload

Advisory provided by GitHub Security Advisory Database. Published: February 10, 2022, Modified: February 11, 2022

References

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-9jq9-c2cv-pcrj
https://github.com/xwiki/xwiki-platform/commit/5853d492b3a274db0d94d560e2a5ea988a271c62
https://jira.xwiki.org/browse/XWIKI-18368
https://www.xwiki.org/xwiki/bin/view/Documentation/AdminGuide/Attachments#HAttachmentdisplayordownload
Published: 2022-02-04T22:30:14.000Z
Last Modified: 2025-04-22T18:27:22.922Z
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