Medium severity5.4NVD Advisory· Published Oct 25, 2021· Updated Jun 17, 2026
CVE-2021-25977
CVE-2021-25977
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
PiranhaNuGet | >= 7.0.0, < 9.2.0 | 9.2.0 |
Affected products
3- cpe:2.3:a:dotnetfoundation:piranha_cms:*:*:*:*:*:*:*:*Range: >=7.0.0,<=9.1.1
- Range: 7.0.0
Patches
Vulnerability mechanics
References
4- github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7nvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-jvjp-vh27-r9h5ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-25977ghsaADVISORY
- www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977nvdThird Party AdvisoryWEB
News mentions
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