GHSA-8c2g-f8jm-5cr7 ibexa/fieldtype-richtext has an XSS vulnerability via acronym custom tag in Rich Text
Attackers with editor or admin privileges can inject persistent XSS via the acronym tag, potentially affecting end users in the front office.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is GHSA-8c2g-f8jm-5cr7?
GHSA-8c2g-f8jm-5cr7 is a cross-site scripting vulnerability in ibexa/fieldtype-richtext, published on 17 Oct 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Impact
This security advisory resolves an XSS vulnerability in acronym custom tag in Rich Text, in the back office of the DXP. Back office access and varying levels of editing and management permissions are required to exploit this vulnerability. This typically means Editor or Administrator role, or similar. Injected XSS is persistent and may in some cases be reflected in the front office, possibly affecting end users. The fixes ensure XSS is escaped, and any existing injected XSS is rendered harmless.
Patches
See "Patched versions".
Workarounds
None.
References
Which versions are affected by GHSA-8c2g-f8jm-5cr7?
4 open source packages ship an affected version, including ibexa/fieldtype-richtext.
| Package | Affected | Fixed in |
|---|---|---|
ibexa/fieldtype-richtext Packagist | From 4.6.0 | 4.6.25 |
ibexa/fieldtype-richtext Packagist | From 4.6.0 | 4.6.25 |
ibexa/fieldtype-richtext Packagist | From 5.0.0 | 5.0.3 |
ibexa/fieldtype-richtext Packagist | From 5.0.0 | 5.0.3 |
How do I fix GHSA-8c2g-f8jm-5cr7?
Upgrade ibexa/fieldtype-richtext to a fixed version for your release line: 4.6.25 or 5.0.3.
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 GHSA-8c2g-f8jm-5cr7 being exploited?
There is no known exploitation of GHSA-8c2g-f8jm-5cr7 in the wild and no public exploit code.