CVE-2025-36563: Reflected cross-site scripting vulnerability exists in multiple versions of PowerCMS

Routine

MEDIUM 6.1UPGRADE

CVE-2025-36563 is a medium-severity flaw (CVSS 6.1) affecting powercms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Reflected cross-site scripting vulnerability exists in multiple versions of PowerCMS. If a product administrator accesses a crafted URL, an arbitrary script may be executed on the browser.

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	0.2% (top 90%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-07-31
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: alfasado

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

Am I affected?

Timeline

2025-07-31 08:15 UTCPublished CVE record published
2026-06-17 09:14 UTCUpdated Record last modified

alfasado powercms UPGRADE

Affected: >= 4.0 and < 4.61 · >= 5.0 and < 5.31 · >= 6.0 and < 6.71

Fixed in: 4.61, 5.31, 6.71

Safe to downgrade to: a release before 4.0

1. Check installed version

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

2. UPGRADE to 4.61 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade powercms

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 4.0 (Debian / Ubuntu)

apt-cache madison powercms sudo apt install powercms=<VERSION_BEFORE_4.0> sudo apt-mark hold powercms

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

dnf --showduplicates list powercms sudo dnf downgrade powercms-<VERSION_BEFORE_4.0> sudo dnf versionlock add powercms

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-2025-36563?

powercms: upgrade to 4.61, 5.31, 6.71. Exact commands for each OS are on this page.

Is CVE-2025-36563 being exploited?

CVE-2025-36563 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-2025-36563 affect?

CVE-2025-36563 affects powercms. Severity is medium (CVSS 6.1). Reflected cross-site scripting vulnerability exists in multiple versions of PowerCMS. If a product administrator accesses a crafted URL, an arbitrary script may be executed on the browser.

How urgent is CVE-2025-36563?

Priority 24/100. No elevated risk signals yet.

Related CVEs

CVE-2025-54757 MEDIUM 6.5 UPGRADE Multiple versions of PowerCMS allow unrestricted upload of dangerous files
CVE-2025-54752 MEDIUM 6.5 UPGRADE Multiple versions of PowerCMS improperly neutralize formula elements in a CSV file
CVE-2025-46359 HIGH 7.2 UPGRADE A path traversal issue exists in backup and restore feature of multiple versions of PowerCMS
CVE-2025-41396 MEDIUM 5.4 UPGRADE A path traversal issue exists in file uploading feature of multiple versions of PowerCMS
CVE-2025-41391 MEDIUM 5.4 UPGRADE Stored cross-site scripting vulnerability exists in multiple versions of PowerCMS

References

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