CVE-2023-53884: Webedition CMS v2.9.8.8 contains a stored cross-site scripting vulnerability that allows authenticated users t

Routine

MEDIUM 5.4DOWNGRADE

CVE-2023-53884 is a medium-severity flaw (CVSS 5.4) affecting webedition cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Webedition CMS v2.9.8.8 contains a stored cross-site scripting vulnerability that allows authenticated users to upload malicious SVG files with embedded JavaScript. Attackers can upload crafted SVG files through the media upload feature to inject and execute arbitrary scripts when the file is viewed by other users.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-12-15
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: webedition

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

Am I affected?

Timeline

2025-12-15 21:15 UTCPublished CVE record published
2026-06-17 06:46 UTCUpdated Record last modified

webedition webedition cms DOWNGRADE

Affected: 2.9.8.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.9.8.8

1. Check installed version

apt-cache policy webedition-cms || rpm -q webedition-cms || webedition-cms --version

2. No fixed release: DOWNGRADE to a release before 2.9.8.8 (Debian / Ubuntu)

apt-cache madison webedition-cms sudo apt install webedition-cms=<VERSION_BEFORE_2.9.8.8> sudo apt-mark hold webedition-cms

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

dnf --showduplicates list webedition-cms sudo dnf downgrade webedition-cms-<VERSION_BEFORE_2.9.8.8> sudo dnf versionlock add webedition-cms

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-2023-53884?

webedition cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-53884 being exploited?

CVE-2023-53884 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-2023-53884 affect?

CVE-2023-53884 affects webedition cms. Severity is medium (CVSS 5.4). Webedition CMS v2.9.8.8 contains a stored cross-site scripting vulnerability that allows authenticated users to upload malicious SVG files with embedded JavaScript. Attackers can upload crafted SVG files through the media upload feature to

How urgent is CVE-2023-53884?

Priority 29/100. Public exploit reference

Related CVEs

CVE-2023-53883 HIGH 7.2 DOWNGRADE Webedition CMS v2.9.8.8 contains a remote code execution vulnerability that allows authenticated attackers to

References

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