CVE-2025-57692: PiranhaCMS 12.0 allows stored XSS in the Text content block of Standard and Standard Archive Pages via /manage

Routine

MEDIUM 6.8DOWNGRADE

CVE-2025-57692 is a medium-severity flaw (CVSS 6.8) affecting piranha cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PiranhaCMS 12.0 allows stored XSS in the Text content block of Standard and Standard Archive Pages via /manager/pages, enabling execution of arbitrary JavaScript in another user s browser.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-09-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dotnetfoundation

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

Am I affected?

Timeline

2025-09-26 20:15 UTCPublished CVE record published
2026-06-17 09:43 UTCUpdated Record last modified

dotnetfoundation piranha cms DOWNGRADE

Affected: 12.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 12.0 (Debian / Ubuntu)

apt-cache madison piranha-cms sudo apt install piranha-cms=<VERSION_BEFORE_12.0> sudo apt-mark hold piranha-cms

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

dnf --showduplicates list piranha-cms sudo dnf downgrade piranha-cms-<VERSION_BEFORE_12.0> sudo dnf versionlock add piranha-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-2025-57692?

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

Is CVE-2025-57692 being exploited?

CVE-2025-57692 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-2025-57692 affect?

CVE-2025-57692 affects piranha cms. Severity is medium (CVSS 6.8). PiranhaCMS 12.0 allows stored XSS in the Text content block of Standard and Standard Archive Pages via /manager/pages, enabling execution of arbitrary JavaScript in another user s browser.

How urgent is CVE-2025-57692?

Priority 35/100. Public exploit reference

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References

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