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CVE Record

CVE-2021-32772: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in helper_entries

Poddycast is a podcast app made with Electron. Prior to version 0.8.1, an attacker can create a podcast or episode with malicious characters and execute commands on the client machine. The application does not clean the HTML characters of the podcast information obtained from the Feed, which allows the injection of HTML and JS code (cross-site scripting). Being an application made in electron, cross-site scripting can be scaled to remote code execution, making it possible to execute commands on the machine where the application is running. The vulnerability is patched in Poddycast version 0.8.1.

HighCVSS 8.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Poddycast versions before 0.8.1 could let malicious podcast or episode information run code on a user’s computer. The risk matters if the desktop app processes untrusted feed content. The provided sources name a patched version but do not show active exploitation.

Executive priority

Treat as high priority where Poddycast is present. The business risk is user workstation compromise through feed content, but scope is likely narrow unless the app is deployed or widely used.

Technical view

The advisory describes unsanitized HTML characters in podcast feed information, causing XSS inside an Electron app. In that context, script execution could escalate to OS command execution on the client. The affected product is MrChuckomo Poddycast before 0.8.1.

Likely exposure

Exposure is limited to systems running Poddycast versions earlier than 0.8.1, especially where users add or process podcast feeds from untrusted sources.

Exploitation context

The source bundle describes a path from malicious podcast or episode metadata to client-side command execution. It does not include evidence of exploitation in the wild, and KEV is marked false.

Researcher notes

Evidence comes mainly from the GitHub advisory and referenced source locations. The bundle supports affected version, impact, and patch version, but not exploit prevalence, detection indicators, or broader affected products.

Mitigation direction

  • Upgrade Poddycast to version 0.8.1 or later.
  • Remove or quarantine Poddycast versions older than 0.8.1.
  • Avoid processing untrusted podcast feeds until upgraded.
  • Check the GitHub advisory for any additional vendor guidance.

Validation and detection

  • Inventory endpoints for installed Poddycast versions.
  • Confirm every discovered installation is version 0.8.1 or later.
  • Review software deployment records for unmanaged legacy installs.
  • Document that provided sources do not show KEV-listed exploitation.
Prepared
Confidence
high
Sources
6

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

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cwe · medium confidence lookup

CWE-78: Command execution behavior lookup

Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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.

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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.

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cve · low confidence lookup

CVE-2021-32772 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.1)
Known Exploited
No
Published

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

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
5Source 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
8.8CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.8High
CVSS 3.1 vector shape for CVE-2021-32772Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
MrChuckomopoddycast< 0.8.1Listed
Weakness

CWE details

CWE-78

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