Security readout for executives and security teams
Plain-English summary
CVE-2020-20070 is a reported cross-site scripting issue in wkeyuan DWSurvey 1.0. An attacker could cause script to run in a user’s browser if that user interacts with malicious content. This is not listed in CISA KEV, and the provided sources do not confirm active exploitation or a vendor patch.
Executive priority
Treat as a moderate web application risk. Prioritize if DWSurvey is public-facing, used by authenticated staff, or handles sensitive survey data. The main business concern is browser-side compromise of users interacting with malicious survey content.
Technical view
The CVE describes CWE-79 XSS in the source-named thequltemld parameter of qu-multi-fillblank!answers.action. CVSS 3.1 is 6.1: network reachable, low complexity, no privileges, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure appears limited to deployments of wkeyuan DWSurvey 1.0, especially internet-accessible survey instances. The CVE record’s structured affected vendor/product fields are incomplete, so asset confirmation should rely on local inventory and application version evidence.
Exploitation context
The source bundle provides one GitHub issue reference and CVE records. It does not cite public exploitation in the wild, CISA KEV inclusion, exploit maturity, or weaponized tooling. User interaction is required according to the CVSS vector.
Researcher notes
Evidence is sparse: the CVE lists DWSurvey 1.0 and a GitHub issue, while structured affected fields are n/a. Avoid broad product assumptions. Focus triage on confirmed DWSurvey 1.0 instances and vendor or repository guidance.
Mitigation direction
- Identify and prioritize any DWSurvey 1.0 deployments.
- Check upstream DWSurvey guidance or repository activity for fixed versions.
- Restrict access to survey administration and sensitive survey paths where feasible.
- Apply input validation and output encoding if maintaining a local fork.
- Use a web application firewall as temporary compensating control.
Validation and detection
- Confirm whether DWSurvey 1.0 exists in production or exposed environments.
- Review application routes for qu-multi-fillblank!answers.action exposure.
- Verify handling of the source-named thequltemld parameter.
- Check logs for suspicious requests targeting affected survey actions.
- Document whether a vendor fix or local patch is available.
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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-20070 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/wkeyuan/DWSurvey/issues/48CVE 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 ('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.