CVE-2023-53925: UliCMS 2023.1 contains a stored cross-site scripting vulnerability that allows attackers to upload malicious S

Routine

MEDIUM 6.1DOWNGRADE

CVE-2023-53925 is a medium-severity flaw (CVSS 6.1) affecting ulicms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

UliCMS 2023.1 contains a stored cross-site scripting vulnerability that allows attackers to upload malicious SVG files with embedded JavaScript. Attackers can upload crafted SVG files through the file management interface that execute arbitrary scripts when 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	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-12-17
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: ulicms

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

Am I affected?

Timeline

2025-12-17 23:15 UTCPublished CVE record published
2026-06-17 06:46 UTCUpdated Record last modified

ulicms ulicms DOWNGRADE

Affected: 2023.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2023.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2023.1 (Debian / Ubuntu)

apt-cache madison ulicms sudo apt install ulicms=<VERSION_BEFORE_2023.1> sudo apt-mark hold ulicms

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

dnf --showduplicates list ulicms sudo dnf downgrade ulicms-<VERSION_BEFORE_2023.1> sudo dnf versionlock add ulicms

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-2023-53925?

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

Is CVE-2023-53925 being exploited?

CVE-2023-53925 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-2023-53925 affect?

CVE-2023-53925 affects ulicms. Severity is medium (CVSS 6.1). UliCMS 2023.1 contains a stored cross-site scripting vulnerability that allows attackers to upload malicious SVG files with embedded JavaScript. Attackers can upload crafted SVG files through the file management interface that execute arbit

How urgent is CVE-2023-53925?

Priority 34/100. Public exploit reference

Related CVEs

CVE-2023-53924 HIGH 8.8 DOWNGRADE UliCMS 2023.1-sniffing-vicuna contains a remote code execution vulnerability that allows authenticated attacke
CVE-2023-53923 CRITICAL 9.8 DOWNGRADE UliCMS 2023.1 contains a privilege escalation vulnerability that allows unauthenticated attackers to create ad
CVE-2023-53914 CRITICAL 9.8 DOWNGRADE UliCMS 2023.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to create

References

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