Security readout for executives and security teams
Plain-English summary
touchbase.ai before 2.0 can allow injected HTML or script-like content to affect users who view crafted content. Business impact may include page defacement, malicious redirection, and possible compromise of sensitive browser-session data. The vendor advisory says version 2.0 patches the issue.
Executive priority
Treat as a high-priority remediation if touchbase.ai is in use. The patch version is identified, and potential impact includes user redirection and high confidentiality and integrity loss, but active exploitation is not evidenced in the supplied sources.
Technical view
CVE-2020-26218 is a CWE-79/CWE-80 cross-site scripting and HTML injection issue in puncsky touchbase.ai versions before 2.0. CVSS 3.1 is 8.0 with network attack vector, no privileges required, user interaction required, high complexity, changed scope, and high confidentiality and integrity impact.
Likely exposure
Exposure is limited to organizations running puncsky touchbase.ai before version 2.0, especially where untrusted or attacker-controlled content can be rendered to users. The source bundle does not provide CPEs, deployment prevalence, or hosted-service exposure details.
Exploitation context
The supplied sources do not show CISA KEV listing or other evidence of active exploitation. The CVSS vector indicates exploitation is network-reachable but high complexity and requires user interaction. Reported outcomes include defacement and redirection to malicious websites.
Researcher notes
Focus validation on affected version confirmation and safe review of user-controlled content rendering paths. Do not assume broader product impact beyond puncsky touchbase.ai before 2.0. Evidence is sparse beyond the CVE record and GitHub advisory.
Mitigation direction
- Upgrade touchbase.ai to version 2.0 or later.
- Review the GitHub security advisory for vendor guidance.
- Inventory production, staging, and archived deployments for touchbase.ai before 2.0.
- Monitor affected deployments for unexpected redirects, defacement, or suspicious rendered content.
Validation and detection
- Confirm every touchbase.ai deployment reports version 2.0 or later.
- Review dependency manifests and deployment artifacts for touchbase.ai versions before 2.0.
- Check application logs and user reports for unexplained redirects or defacement.
- Run regression tests around rendering of user-controlled content after upgrade.
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 lookupCWE-80: 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-2020-26218 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
- High
- CVSS
- 8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/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:H/PR:N/UI:R/S:C/C:H/I:H/A:N1.65.8Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/puncsky/touchbase.ai/security/advisories/GHSA-r4w5-gw36-4792CVE 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.
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.
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.