CVE-2022-28919: HTMLCreator release_stable_2020-07-29 was discovered to contain a cross-site scripting (XSS) vulnerability via

This month

MEDIUM 6.1DOWNGRADEMITIGATE

CVE-2022-28919 is a medium-severity flaw (CVSS 6.1) affecting dokuwiki, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

HTMLCreator release_stable_2020-07-29 was discovered to contain a cross-site scripting (XSS) vulnerability via the function _generateFilename.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.4% (top 27%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-05-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dokuwiki · fedoraproject

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

Am I affected?

Timeline

2022-05-12 16:15 UTCPublished CVE record published
2026-06-17 04:39 UTCUpdated Record last modified

dokuwiki dokuwiki DOWNGRADE

Affected: 2020-07-29

Fixed in: no fixed release known

Safe to downgrade to: a release before 2020-07-29

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2020-07-29 (Debian / Ubuntu)

apt-cache madison dokuwiki sudo apt install dokuwiki=<VERSION_BEFORE_2020-07-29> sudo apt-mark hold dokuwiki

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list dokuwiki sudo dnf downgrade dokuwiki-<VERSION_BEFORE_2020-07-29> sudo dnf versionlock add dokuwiki

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.

fedoraproject fedora MITIGATE

Affected: 34 · 35 · 36

Fixed in: no fixed release known

Safe to downgrade to: a release before 34

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2022-28919?

dokuwiki: downgrade or apply the listed mitigation; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-28919 being exploited?

CVE-2022-28919 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-2022-28919 affect?

CVE-2022-28919 affects dokuwiki, fedora. Severity is medium (CVSS 6.1). HTMLCreator release_stable_2020-07-29 was discovered to contain a cross-site scripting (XSS) vulnerability via the function _generateFilename.

How urgent is CVE-2022-28919?

Priority 45/100. Public exploit reference

Related CVEs

CVE-2026-26477 MEDIUM 4.3 DOWNGRADE An issue in Dokuwiki v.2025-05-14b "Librarian" [56.2] allows a remote attacker to cause a denial of service vi
CVE-2023-34408 MEDIUM 5.4 UPGRADE DokuWiki before 2023-04-04a allows XSS via RSS titles.
CVE-2022-3123 MEDIUM 6.1 UPGRADE MITIGATE Cross-site Scripting (XSS) - Reflected in GitHub repository splitbrain/dokuwiki prior to 2022-07-31a.
CVE-2019-25338 MEDIUM 5.3 DOWNGRADE DokuWiki 2018-04-22b contains a username enumeration vulnerability in its password reset functionality that al
CVE-2018-15474 CRITICAL 9.6 UPGRADE CSV Injection (aka Excel Macro Injection or Formula Injection) in /lib/plugins/usermanager/admin.php in DokuWi

References

← Back to latest CVEs