CVE-2020-9382: An issue was discovered in the Widgets extension through 1.4.0 for MediaWiki

Q: How do I fix CVE-2020-9382?

widgets: upgrade to newer than 1.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2020-9382 being exploited?

CVE-2020-9382 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-9382 affect?

CVE-2020-9382 affects widgets. Severity is medium (CVSS 5.4). An issue was discovered in the Widgets extension through 1.4.0 for MediaWiki. Improper title sanitization allowed for the execution of any wiki page as a widget (as defined by this extension) via MediaWiki's {{#widget:}} parser function.

Q: How urgent is CVE-2020-9382?

Priority 39/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2020-9382 is a medium-severity flaw (CVSS 5.4) affecting widgets. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in the Widgets extension through 1.4.0 for MediaWiki. Improper title sanitization allowed for the execution of any wiki page as a widget (as defined by this extension) via MediaWiki's {{#widget:}} parser function.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-74
Published	2020-02-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: widgets project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-02-24 23:15 UTCPublished CVE record published
2026-06-17 03:27 UTCUpdated Record last modified

widgets project widgets UPGRADE

Affected: <= 1.4.0

Fixed in: newer than 1.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy widgets || rpm -q widgets || widgets --version

2. UPGRADE to newer than 1.4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade widgets

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade widgets

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-9382?

widgets: upgrade to newer than 1.4.0. Exact commands for each OS are on this page.

Is CVE-2020-9382 being exploited?

CVE-2020-9382 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-9382 affect?

CVE-2020-9382 affects widgets. Severity is medium (CVSS 5.4). An issue was discovered in the Widgets extension through 1.4.0 for MediaWiki. Improper title sanitization allowed for the execution of any wiki page as a widget (as defined by this extension) via MediaWiki's {{#widget:}} parser function.

How urgent is CVE-2020-9382?

Priority 39/100. Public exploit reference

Related CVEs

CVE-2015-6737 MEDIUM 4.3 MITIGATE Cross-site scripting (XSS) vulnerability in the Widgets extension for MediaWiki allows remote attackers to inj

References

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