CVE-2026-5362: An authenticated attacker with permission to edit document content can store crafted HTML/JavaScript in a Docu

Routine

MEDIUM 5.4DOWNGRADE

CVE-2026-5362 is a medium-severity flaw (CVSS 5.4) affecting pimcore. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An authenticated attacker with permission to edit document content can store crafted HTML/JavaScript in a Document embed editable and cause script execution when the published page is rendered. This issue affects pimcore: v12.3.3.

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	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-04-27
Last modified	2026-06-17

Publisher (CNA): Fluid Attacks · Vendor: pimcore

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

Am I affected?

Timeline

2026-04-27 21:16 UTCPublished CVE record published
2026-06-17 10:58 UTCUpdated Record last modified

pimcore pimcore DOWNGRADE

Affected: 12.3.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.3.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 12.3.3 (Debian / Ubuntu)

apt-cache madison pimcore sudo apt install pimcore=<VERSION_BEFORE_12.3.3> sudo apt-mark hold pimcore

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

dnf --showduplicates list pimcore sudo dnf downgrade pimcore-<VERSION_BEFORE_12.3.3> sudo dnf versionlock add pimcore

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-2026-5362?

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

Is CVE-2026-5362 being exploited?

CVE-2026-5362 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-2026-5362 affect?

CVE-2026-5362 affects pimcore. Severity is medium (CVSS 5.4). An authenticated attacker with permission to edit document content can store crafted HTML/JavaScript in a Document embed editable and cause script execution when the published page is rendered. This issue affects pimcore: v12.3.3.

How urgent is CVE-2026-5362?

Priority 26/100. Public exploit reference

References

← Back to latest CVEs