CVE-2024-47781: CreateWiki is an extension used at Miraheze for requesting & creating wikis

Routine

MEDIUM 6.1UPGRADE

CVE-2024-47781 is a medium-severity flaw (CVSS 6.1) affecting createwiki. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CreateWiki is an extension used at Miraheze for requesting & creating wikis. The name of requested wikis is not escaped on Special:RequestWikiQueue, so a user can insert arbitrary HTML that is displayed in the request wiki queue when requesting a wiki. If a wiki creator comes across the XSS payload, their user session can be abused to retrieve deleted wiki requests, which typically contains private information. Likewise, this can also be abused o

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-10-07
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: miraheze

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

Am I affected?

Timeline

2024-10-07 22:15 UTCPublished CVE record published
2026-06-17 07:57 UTCUpdated Record last modified

miraheze createwiki UPGRADE

Affected: >= 2018-11-07 and < 2024-10-07

Fixed in: 2024-10-07

Safe to downgrade to: a release before 2018-11-07

1. Check installed version

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

2. UPGRADE to 2024-10-07 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade createwiki

Note

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

3. If no update is available yet, DOWNGRADE to a release before 2018-11-07 (Debian / Ubuntu)

apt-cache madison createwiki sudo apt install createwiki=<VERSION_BEFORE_2018-11-07> sudo apt-mark hold createwiki

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list createwiki sudo dnf downgrade createwiki-<VERSION_BEFORE_2018-11-07> sudo dnf versionlock add createwiki

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-47781?

createwiki: upgrade to 2024-10-07. Exact commands for each OS are on this page.

Is CVE-2024-47781 being exploited?

CVE-2024-47781 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-2024-47781 affect?

CVE-2024-47781 affects createwiki. Severity is medium (CVSS 6.1). CreateWiki is an extension used at Miraheze for requesting & creating wikis. The name of requested wikis is not escaped on Special:RequestWikiQueue, so a user can insert arbitrary HTML that is displayed in the request wiki queue when reques

How urgent is CVE-2024-47781?

Priority 28/100. No elevated risk signals yet.

Related CVEs

CVE-2024-29898 MEDIUM 4.9 UPGRADE CreateWiki is Miraheze's MediaWiki extension for requesting & creating wikis
CVE-2024-29883 MEDIUM 4.9 UPGRADE CreateWiki is Miraheze's MediaWiki extension for requesting & creating wikis

References

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