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CVE Record

CVE-2020-26221: Stored Cross Site Scripting in touchbase.ai

touchbase.ai before version 2.0 is vulnerable to Cross-Site Scripting (XSS). The vulnerability allows an attacker to send malicious JavaScript code which could result in hijacking of the user's cookie/session tokens, redirecting the user to a malicious webpage and performing unintended browser action. The issue is patched in version 2.0.

HighCVSS 8Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

touchbase.ai versions before 2.0 can store attacker-supplied JavaScript that runs in another user's browser after interaction. This can expose cookies or session tokens, redirect users, or trigger unintended browser actions. The vendor advisory states the issue is fixed in version 2.0.

Executive priority

Prioritize remediation where touchbase.ai handles authenticated users or sensitive workflows. The main business risk is account compromise or unauthorized browser actions through stored script execution. No active exploitation is confirmed in the provided sources.

Technical view

CVE-2020-26221 is a stored XSS vulnerability in puncsky touchbase.ai before 2.0, tracked as CWE-79. CVSS 3.1 is 8.0 with network attack vector, high complexity, no privileges, required user interaction, changed scope, high confidentiality and integrity impact, and no availability impact.

Likely exposure

Exposure is limited to deployments or users of touchbase.ai before version 2.0. The source bundle does not identify CPEs, deployment modes, or downstream packaged products.

Exploitation context

The CVE record and advisory describe browser-side impact, but the bundle does not cite public exploitation, proof-of-concept use, or CISA KEV listing. Treat exploitation as plausible for vulnerable exposed instances, not confirmed active exploitation.

Researcher notes

The available sources provide affected version range, impact, CVSS vector, CWE, and patched version. They do not provide vulnerable parameters, exploit details, indicators of compromise, or environmental prerequisites beyond user interaction and high attack complexity.

Mitigation direction

  • Upgrade touchbase.ai to version 2.0 or later.
  • Review the GitHub advisory for vendor-specific upgrade guidance.
  • Identify and retire any touchbase.ai instances running below 2.0.
  • Invalidate sessions if suspicious browser activity or account misuse is found.

Validation and detection

  • Inventory touchbase.ai installations and confirm deployed versions.
  • Check whether any instance is older than version 2.0.
  • Review application logs for unusual redirects or session-related anomalies.
  • Confirm remediation by verifying the deployed package reports version 2.0 or later.
Prepared
Confidence
high
Sources
3

Public sources used

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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2020-26221 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
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

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
8CVSS 3.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N1.65.8Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8High
CVSS 3.1 vector shape for CVE-2020-26221Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
puncskytouchbase.ai< 2.0Listed
Weakness

CWE details

CWE-79

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.