CVE-2026-45580 WWBN AVideo Live: stored XSS via unescaped stream key in modeYoutubeLive.php class attribute
Stored XSS in AVideo Live plugin allows attackers to execute JavaScript in the platform origin via unescaped stream keys.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-45580?
CVE-2026-45580 is a medium-severity cross-site scripting vulnerability in Wwbn Avideo, published on 29 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
WWBN AVideo is an open source video platform. In 29.0 and earlier, there is a stored cross-site scripting vulnerability. The Live plugin's "YouTube-style" view renders the live transmission's stream key into an HTML class attribute by raw echo, without htmlspecialchars(). A canStream user can persist a key containing " plus an event handler via plugin/Live/saveLive.php, and any visitor (logged in or anonymous) opening the stream's live page executes attacker JavaScript in the platform origin.
Weakness: CWE-79
Which versions are affected by CVE-2026-45580?
2 open source packages ship an affected version, including WWBN/AVideo. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
WWBN/AVideo Packagist | All versions to 29.0 | None |
WWBN/AVideo Packagist | All versions to 29.0 | None |
Products include Wwbn Avideo.
How do I fix CVE-2026-45580?
No fix has been published for CVE-2026-45580 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-45580 being exploited?
There is no known exploitation of CVE-2026-45580 in the wild and no public exploit code.
Other vulnerabilities in Wwbn Avideo
- CVE-2026-40911 WWBN AVideo YPTSocket WebSocket Broadcast Relay Leads to Unauthenticated Cross-User JavaScript Execution via Client-Side eval() Sinks
- CVE-2026-33478 AVideo Multi-Chain Attack: Unauthenticated Remote Code Execution via Clone Key Disclosure, Database Dump, and Command Injection
- CVE-2022-30534 Command injection in AVideo
- CVE-2022-30547 Path traversal in AVideo
- CVE-2022-32572 Command injection in AVideo
Sources
Also known as GHSA-m5j4-7r85-2cj2.