Security readout for executives and security teams
Plain-English summary
CVE-2023-47861 is a critical cross-site scripting issue in WWBN AVideo. A logged-in attacker can craft a request involving user name handling, then rely on a victim visiting a page to execute JavaScript in that victim's browser context.
Executive priority
Treat this as urgent for any affected AVideo deployment because browser-executed script can compromise sessions, data integrity, and user trust. Priority drops only if AVideo is not present or versions differ from the affected list.
Technical view
The vulnerability is CWE-79 in AVideo channelBody.php user name functionality. The provided CVSS 3.1 score is 9.0 with network access, low complexity, low privileges, required user interaction, changed scope, and high confidentiality, integrity, and availability impacts.
Likely exposure
Exposure is limited to WWBN AVideo 11.6 and dev master commit 15fed957fb, based on the provided sources. Public or multi-user AVideo deployments are the most relevant environments to review.
Exploitation context
The bundle states exploitation requires a specially crafted HTTP request and a user visiting a webpage. CISA KEV is false in the bundle, and no cited source here confirms active exploitation.
Researcher notes
The evidence identifies affected versions and impact but does not include a vendor fix in the supplied bundle. Avoid assuming broader version impact. Validation should focus on version confirmation, reachable user flows, and whether vendor remediation exists.
Mitigation direction
- Identify whether any deployed AVideo instance is version 11.6 or commit 15fed957fb.
- Check WWBN and Talos guidance for an official fixed version or mitigation.
- Prioritize remediation for internet-accessible or multi-user AVideo deployments.
- Limit access to affected AVideo instances while awaiting vendor-confirmed remediation.
- Review user account and profile workflows for unsafe stored content.
Validation and detection
- Confirm AVideo version and commit for each deployment.
- Review channelBody.php user name rendering for output encoding or sanitization.
- Check logs for suspicious user name changes or unusual page visits.
- Verify whether vendor guidance identifies a patched release.
- Document whether the instance is public, internal, or restricted.
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-2023-47861 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
- Critical
- CVSS
- 9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
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:L/UI:R/S:C/C:H/I:H/A:H2.36Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
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.