Raw vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:NSummary
CVE-2026-33319 is a medium-severity OS Command Injection (CWE-78) vulnerability in Wwbn Avideo. Its CVSS base score is 5.9 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Command and Scripting Interpreter (T1059); ranked at the 25th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SI-10 (Information Input Validation) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2026-33319 is a command injection vulnerability (CWE-78) affecting WWBN AVideo, an open source video platform, in versions prior to 26.0. The issue resides in the `uploadVideoToLinkedIn()` method of the SocialMediaPublisher plugin, which constructs a shell command by directly interpolating an upload URL from LinkedIn's API response without sanitization using `escapeshellarg()`. This was publicly disclosed on 2026-03-22 and carries a CVSS v3.1 base score of 5.9 (AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N).
Exploitation requires an attacker to influence the LinkedIn API response, such as through man-in-the-middle interception, a compromised OAuth token, or compromise of LinkedIn's API itself. A privileged attacker (PR:H) with network access (AV:N) must overcome high attack complexity (AC:H) to inject arbitrary operating system commands, which execute with the privileges of the web server user. Successful exploitation enables high confidentiality and integrity impacts, such as data access or modification, but no availability disruption.
The GitHub security advisory (GHSA-w5ff-2mjc-4phc) and fixing commit (67d932eb05e1bc9b36796f73ff4f9fb47590598b) confirm that upgrading to AVideo version 26.0 resolves the vulnerability by addressing the unsanitized interpolation in the shell command construction.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-20093
Vulnerability Data
WWBN AVideo is an open source video platform. Prior to version 26.0, the `uploadVideoToLinkedIn()` method in the SocialMediaPublisher plugin constructs a shell command by directly interpolating an upload URL received from LinkedIn's API response, without sanitization via `escapeshellarg()`. If an…
more
attacker can influence the LinkedIn API response (via MITM, compromised OAuth token, or API compromise), they can inject arbitrary OS commands that execute as the web server user. Version 26.0 contains a fix for the issue.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
—
—
—
V1.2.5V1.2.8V15.2.5
Mitigating Controls (NIST 800-53 r5) AI
Developer testing and evaluation can discover missing or incorrect command sanitization during development.
Input validation directly neutralizes or rejects special characters that would otherwise alter OS command structure.
Least privilege reduces the permissions available to any process that could be subverted by injected commands.
Least functionality restricts available OS commands and interpreters, limiting the blast radius of injection.
Secure engineering principles require proper neutralization of untrusted input before command construction.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
PR.PS-06's SDLC practices directly require secure coding and input handling that blocks command-injection defects, yet the single broad outcome leaves many specific neutralization vectors and verification gaps unaddressed.
Routine patching/maintenance can remediate known command-injection CVEs in dependencies (partial forward) but does nothing to stop developers from introducing improper neutralization in custom code (none reverse).
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing and code review target insecure use of operating-system command interfaces, catching command-injection flaws introduced during development.