Security readout for executives and security teams
Plain-English summary
PodcastGenerator 3.2.9 can store malicious JavaScript in a theme Freebox content field. When visitors open the home page, that script can run in their browser. This is most concerning for sites where less-trusted users can access theme customization.
Executive priority
Treat this as a moderate-priority web application issue. It is not currently KEV-listed, but stored XSS can affect visitors and administrators, so exposed PodcastGenerator 3.2.9 sites should be reviewed promptly.
Technical view
CVE-2023-53919 is a stored cross-site scripting issue in theme_freebox.php affecting PodcastGenerator 3.2.9. The CVSS 3.1 score is 5.4 with network attack vector, low complexity, low privileges, required user interaction, changed scope, and low confidentiality and integrity impact.
Likely exposure
Exposure is limited to PodcastGenerator 3.2.9 deployments with the Freebox/theme customization feature reachable by authenticated users. Internet-facing podcast sites may increase impact because the stored content renders on the application home page.
Exploitation context
The source bundle references an ExploitDB entry, so public exploit information exists. CISA KEV status is false, and the provided sources do not establish active exploitation in the wild.
Researcher notes
Evidence identifies PodcastGenerator 3.2.9, theme_freebox.php, and the Freebox content field. The bundle does not name a fixed version, patch commit, or vendor mitigation. Avoid assuming broader version impact without additional vendor confirmation.
Mitigation direction
- Check PodcastGenerator vendor guidance for an official fix or supported upgrade path.
- Restrict theme customization access to trusted administrators only.
- Review and remove untrusted Freebox content from affected installations.
- Monitor application logs for suspicious theme customization activity.
- Consider temporary content filtering where vendor guidance supports it.
Validation and detection
- Inventory PodcastGenerator instances and confirm whether version 3.2.9 is present.
- Check whether theme_freebox.php and Freebox customization are enabled or accessible.
- Inspect Freebox content for untrusted scripts or unexpected HTML attributes.
- Verify the home page renders Freebox content safely after remediation.
- Document affected instances, access controls, and remediation status.
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-2023-53919 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
- 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
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:R/S:C/C:L/I:L/A:N2.32.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/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:L/VI:L/VA:N/SC:L/SI:L/SA:N
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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-51454CVE reference, VulnCheck · exploit
- Official Product WebpageCVE reference, VulnCheck · product
- VulnCheck Advisory: PodcastGenerator Stored Cross-Site Scripting via Freebox Content FieldCVE 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.
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.