| Package | Affected versions | Patched versions |
|---|---|---|
| postorius | ≤ 1.3.13 | |
| postorius | ≤ 1.3.13 |
Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026.
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