Security readout for executives and security teams
Plain-English summary
A WordPress plugin used for podcast subscribe buttons allowed stored cross-site scripting in versions up to 1.3.7. The issue requires an authenticated administrator-level user and victim interaction, so business risk is mainly from compromised admin accounts or malicious insiders, not unauthenticated internet scanning.
Executive priority
Treat as a moderate-priority WordPress hygiene issue. Prioritize systems where many users access the site, administrator accounts are shared, or WordPress admin security is weak.
Technical view
CVE-2023-25479 is a CWE-79 stored XSS issue in Podlove Subscribe button <= 1.3.7. CVSS 3.1 is 5.9 with network access, low complexity, high privileges, required user interaction, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites running the Podlove Subscribe button plugin at version 1.3.7 or earlier. Sites without this plugin, or with a vendor-confirmed non-vulnerable version, are not indicated as exposed by the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The CVSS vector indicates exploitation requires admin-level privileges and user interaction, making account compromise and privileged misuse the main practical concerns.
Researcher notes
Evidence is limited to CVE and Patchstack metadata. The bundle does not provide a fixed version, proof-of-concept, exploit status, vulnerable parameter, or detailed attack path, so validation should stay version- and configuration-focused.
Mitigation direction
- Inventory WordPress sites for the Podlove Subscribe button plugin.
- If present at <= 1.3.7, check Podlove or Patchstack guidance.
- Upgrade if a vendor-fixed version is available.
- Disable or remove the plugin where it is not required.
- Restrict and review WordPress administrator access.
Validation and detection
- Confirm whether podlove-subscribe-button is installed on each WordPress site.
- Record installed plugin versions and flag <= 1.3.7.
- Review administrator accounts for unnecessary or stale access.
- Check recent admin activity for unexpected content changes.
- Monitor affected pages for unauthorized script-like content.
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-2023-25479 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
- 5.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
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.
CVSS vector scores
1 official scoreWe 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:H/UI:R/S:C/C:L/I:L/A:L1.73.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.9MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Source materials
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.