CVE-2021-25977

Piranha CMS - Stored XSS in Page Title

Description

In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution.

Remediation

Solution:

  • Update to 9.2.0

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.32%
Third-Party Advisory github.com Third-Party Advisory whitesourcesoftware.com
Affected: PiranhaCMS Piranha
Published at:
Updated at:

References

Link Tags
https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7 third party advisory patch
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-25977?
CVE-2021-25977 has been scored as a medium severity vulnerability.
How to fix CVE-2021-25977?
To fix CVE-2021-25977: Update to 9.2.0
Is CVE-2021-25977 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-25977 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-25977?
CVE-2021-25977 affects PiranhaCMS Piranha.
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