CVE-2026-1136 lcg0124 BootDo ContentController save cross site scripting
Remote attackers can execute arbitrary scripts via cross-site scripting in the BootDo ContentController save function, potentially compromising user sessions.
- 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-2026-1136?
CVE-2026-1136 is a medium-severity cross-site scripting vulnerability in lcg0124 BootDo, published on 19 Jan 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
A weakness has been identified in lcg0124 BootDo up to e93dd428ef6f5c881aa74d49a2099ab0cf1e0fcb. Affected is the function Save of the file /blog/bContent/save of the component ContentController. This manipulation of the argument content/author/title causes cross site scripting. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided.
Which versions are affected by CVE-2026-1136?
How do I fix CVE-2026-1136?
No fix has been published for CVE-2026-1136 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-2026-1136 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1136 exists.
Sources
Also known as GHSA-f4vw-wpg8-p532.