CVE-2025-67290: A stored cross-site scripting (XSS) vulnerability in the Page Settings module of Piranha CMS v12.1 allows a...
A stored cross-site scripting (XSS) vulnerability in the Page Settings module of Piranha CMS v12.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Excerpt field.
Security readout for executives and security teams
Plain-English summary
CVE-2025-67290 is a medium-severity stored XSS issue described in Piranha CMS v12.1. Malicious content placed in the Page Settings Excerpt field could later run script or HTML in another user's browser, creating confidentiality and integrity risk without evidence of service disruption.
Executive priority
Treat as a moderate web application risk. Prioritize systems where CMS editors are numerous, untrusted, or exposed to external workflows. There is no source evidence of active exploitation, but stored XSS can support account compromise and content tampering.
Technical view
The CVE describes CWE-79 in the Page Settings module Excerpt field. CVSS 3.1 is 6.1 with network access, low complexity, no privileges, required user interaction, changed scope, low confidentiality impact, low integrity impact, and no availability impact.
Likely exposure
Exposure is most likely where Piranha CMS v12.1 is deployed and Page Settings content is editable or rendered to users. The structured affected-product data is incomplete, so version and product scope should be confirmed against vendor guidance.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. A public GitHub reference is listed, but the bundle does not provide enough detail to assess real-world exploitation or exploit maturity.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, CWE-79 classification, and one GitHub reference. The affected-product fields are not populated, and no patch, workaround, or exploitation confirmation is included in the provided bundle.
Mitigation direction
Check Piranha CMS vendor guidance for confirmed affected versions and fixes.
Restrict Page Settings editing to trusted administrative users.
Review Excerpt content for unauthorized script or HTML.
Apply a vendor-confirmed update when available.
Use output encoding and content sanitization where supported.
Validation and detection
Inventory Piranha CMS deployments and confirm version 12.1 exposure.
Identify users or roles that can edit Page Settings Excerpt content.
Review rendered pages for unexpected script or HTML from Excerpt values.
Monitor logs and audit trails for suspicious Page Settings changes.
Confirm remediation against vendor documentation before closure.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-79 · source CWE mapping
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.