Security readout for executives and security teams
Plain-English summary
CVE-2020-18282 is a cross-site scripting issue in NoneCms 1.3.0's feedback feature. An attacker could cause a user to load attacker-supplied script or HTML, which can affect browser-session confidentiality and page integrity. The CVE is medium severity and requires user interaction.
Executive priority
Treat as a moderate web-application risk. Prioritize confirmation for public NoneCms instances, especially where authenticated users or administrators may view feedback content. It is below emergency priority absent exploitation evidence.
Technical view
The CVE describes CWE-79 XSS in NoneCms 1.3.0 via the feedback feature. CVSS 3.1 is 6.1: network-accessible, low complexity, no privileges, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure appears limited to deployments running NoneCms 1.3.0 with the feedback feature reachable by users. The source bundle does not identify CPEs, downstream packages, hosting patterns, or broader affected versions.
Exploitation context
The CVE is not listed as CISA KEV in the supplied bundle, and no cited source states active exploitation. Practical abuse would depend on an exposed feedback workflow and a victim interacting with affected content.
Researcher notes
The supplied CVE data is sparse: vendor and product fields are n/a, but the description and references identify NoneCms 1.3.0. No patch version, commit, or exploit status is provided in the source bundle.
Mitigation direction
- Check the NoneCms repository and issue for vendor-confirmed fixes or upgrade guidance.
- Inventory any NoneCms 1.3.0 deployments and prioritize internet-facing instances.
- Temporarily disable or restrict the feedback feature where no vendor fix is available.
- For maintained forks, review feedback handling for contextual encoding and XSS-safe rendering.
Validation and detection
- Confirm whether NoneCms 1.3.0 is deployed in any owned environment.
- Check whether the feedback feature is enabled and externally reachable.
- Review CVE-2020-18282 and GitHub issue 23 for exact affected behavior.
- Use safe application-security testing to verify feedback content is not rendered as executable script.
Public sources used
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
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.
Open ATT&CK lookupCVE-2020-18282 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
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/nangge/noneCms/issues/23CVE reference
- https://github.com/nangge/noneCmsCVE reference
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.
Improper Neutralization of Input During Web Page Generation
Improper Neutralization of Input During Web Page Generation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.