Security readout for executives and security teams
This is an older Plone cross-site scripting issue. A remote attacker could cause a vulnerable Plone site to run attacker-supplied script or HTML in a user's browser. The sources do not show active exploitation or a CVSS score, so urgency depends on whether legacy Plone remains internet-facing. Exposure is most likely on legacy Plone deployments older than 4.2.3, or 4.3 pre-beta-1 builds. Internet-facing content management sites have higher business impact because XSS can affect visitors, administrators, or authenticated users depending on reachable functionality. Treat this as a legacy exposure cleanup item unless vulnerable Plone is internet-facing or business-critical. Prioritize confirmation quickly, then upgrade or apply documented Plone remediation if an affected instance is found. Mitigation focus: Upgrade affected Plone installations to 4.2.3 or later supported versions.; For eligible legacy deployments, review the Plone 20121106 hotfix guidance.; Restrict access to legacy Plone administration and development interfaces where possible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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
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CVE-2012-5490 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/plone/Products.CMFPlone/blob/4.2.3/docs/CHANGES.txtCVE reference · x_refsource_CONFIRM
- https://plone.org/products/plone/security/advisories/20121106/06CVE reference · x_refsource_CONFIRM
- https://plone.org/products/plone-hotfix/releases/20121106CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.