Security readout for executives and security teams
Plain-English summary
Podcast Generator before 3.1.1 can store attacker-supplied JavaScript in an episode’s long description. An authenticated user with episode creation or editing access could cause script execution when episode details are viewed, risking session misuse or content tampering within the application.
Executive priority
Treat as a moderate-priority web application issue. It is not confirmed as actively exploited, but public exploit information and stored script execution justify prompt remediation for internet-facing or multi-user deployments.
Technical view
CVE-2021-47968 is a persistent cross-site scripting issue in Podcast Generator 3.1 via insufficient filtering of the long_description parameter. The supplied CVSS 3.1 score is 6.4 with low complexity and low privileges required. Affected versions are listed as Podcast Generator before 3.1.1.
Likely exposure
Exposure is likely limited to organizations running Podcast Generator versions before 3.1.1, especially public or shared administrative deployments where multiple authenticated users can create or edit episodes.
Exploitation context
A public ExploitDB reference exists, but the source bundle does not state active exploitation, and KEV is false. The attacker must be authenticated and able to submit episode content.
Researcher notes
Focus validation on authenticated content workflows for episode creation and editing. The vulnerable field is long_description, with stored execution when episode details are viewed. Evidence does not support expanding scope beyond Podcast Generator versions before 3.1.1.
Mitigation direction
- Upgrade Podcast Generator deployments earlier than 3.1.1 to version 3.1.1 or later.
- Restrict episode creation and editing permissions to trusted authenticated users.
- Review vendor guidance before applying any compensating controls.
- Inspect existing episode long descriptions for unexpected script content.
- Remove suspicious stored content after preserving evidence for investigation.
Validation and detection
- Inventory Podcast Generator instances and confirm running versions.
- Check whether any deployment is earlier than 3.1.1.
- Review episode long_description content for embedded script or event-handler markup.
- Verify role access for episode creation and editing.
- Confirm remediation by retesting in a controlled, non-production environment.
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 lookupCVE-2021-47968 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
- 6.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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:L/UI:N/S:C/C:L/I:L/A:N3.12.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
5.1MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Base CVSS 3.1 score
6.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-49866CVE reference, VulnCheck · exploit
- Official Product HomepageCVE reference, VulnCheck · product
- Product ReferenceCVE reference, VulnCheck · product
- VulnCheck Advisory: Podcast Generator 3.1 Persistent Cross-Site Scripting via long_descriptionCVE reference, VulnCheck · third-party-advisory
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.