| Package | Affected versions | Patched versions |
|---|---|---|
| backdrop | ≥ 1.12.0, < 1.12.8≥ 1.13.0, < 1.13.3 | 1.12.81.13.3 |
Backdrop CMS 1.12.x before 1.12.8 and 1.13.x before 1.13.3 doesn't sufficiently filter output when displaying certain block labels created by administrators. An attacker could potentially craft a specialized label, then have an administrator execute scripting when administering a layout. (This issue is mitigated by the attacker needing permission to create custom blocks on the site, which is typically an administrative permission.)
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