5.1
Medium
CVE-2026-120190 PostyBirb Plus Submission Description Editor DescriptionInput.tsx cross site scripting
Description
A security flaw has been discovered in PostyBirb Plus up to 3.1.75. Affected by this vulnerability is an unknown functionality of the file ui/src/views/submissions/submission-forms/form-components/DescriptionInput.tsx of the component Submission Description Editor. The manipulation results in cross site scripting. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. Upgrading to version 3.1.76 addresses this issue. The patch is identified as 6b11c2345ad98ae59fd5404a9f1024eb1d10c8a4. It is advisable to upgrade the affected component.
CVSS 4.0 detail
Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:PExploitable remotely over the network, with an ordinary account and if a user takes an action; the impact on data or service is limited.
- Attack vector
- Network
- Attack complexity
- Low
- Attack requirements
- None
- Privileges required
- Low
- Interaction
- Passive
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
- Confidentiality of other systems
- None
- Integrity of other systems
- None
- Availability of other systems
- None
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| PostyBirb Plus 3.1 | 3.1.0 → 3.1.75 | 3.1.76 |