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CVE Record

CVE-2021-37502: Cross Site Scripting (XSS) vulnerability in automad 1.7.5 allows remote attackers to run arbitrary code via...

Cross Site Scripting (XSS) vulnerability in automad 1.7.5 allows remote attackers to run arbitrary code via the user name field when adding a user.

MediumCVSS 5.4Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Automad 1.7.5 has a cross-site scripting issue in the username field used when adding a user. A lower-privileged attacker could store harmful browser content that runs when another user views it, potentially exposing limited data or changing limited page state.

Executive priority

Treat this as a moderate application-security issue. Prioritize systems exposed to untrusted users or shared administration, but it is not supported by the provided evidence as actively exploited or business-critical by default.

Technical view

CVE-2021-37502 is CWE-79 XSS with CVSS 3.1 score 5.4. The vector indicates network access, low attack complexity, low privileges required, user interaction required, changed scope, low confidentiality impact, low integrity impact, and no availability impact.

Likely exposure

Exposure is most likely where Automad 1.7.5 is deployed and user creation or user-management pages are reachable by authenticated users. The CVE affected-product metadata is incomplete, so teams should verify actual Automad versions directly.

Exploitation context

The source bundle does not show CISA KEV listing or other evidence of active exploitation. The vulnerability appears to require some account privilege and a victim action, which lowers urgency compared with unauthenticated remote code execution.

Researcher notes

The CVE data is sparse: affected vendor and product fields are listed as n/a, while the description names Automad 1.7.5. Validate scope from installed software and vendor issue history before asserting broader version impact.

Mitigation direction

  • Inventory Automad deployments and identify any running version 1.7.5.
  • Check Automad project guidance for fixed releases or official workarounds.
  • Restrict user-management access to trusted administrators only.
  • Review existing usernames for suspicious markup or script-like content.
  • Remove or rename suspicious user entries after preserving evidence if needed.

Validation and detection

  • Confirm whether Automad 1.7.5 is present in production, staging, or backups.
  • Review user creation and account-management access controls.
  • Inspect existing user records for unexpected markup in name fields.
  • In a safe test environment, verify username output is encoded.
  • Check audit logs for unusual user additions around the exposure period.
Prepared
Confidence
medium
Sources
3

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
description · low confidence lookup

Execution 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 lookup
cve · low confidence lookup

CVE-2021-37502 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
Medium
CVSS
5.4 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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
5.4CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.4Medium
CVSS 3.1 vector shape for CVE-2021-37502Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

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

CWE-79 · source CWE mapping

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.