---
id: CVE-2026-120190
title: >-
  PostyBirb Plus Submission Description Editor DescriptionInput.tsx cross site
  scripting
summary: >-
  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 Su…
severity: low
cvss: 3.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-79
  - CWE-94
product: PostyBirb Plus
affected:
  - postybirb_plus 3.1.0
  - postybirb_plus 3.1.1
  - postybirb_plus 3.1.2
  - postybirb_plus 3.1.3
  - postybirb_plus 3.1.4
  - postybirb_plus 3.1.5
  - postybirb_plus 3.1.6
  - postybirb_plus 3.1.7
  - postybirb_plus 3.1.8
  - postybirb_plus 3.1.9
  - postybirb_plus 3.1.10
  - postybirb_plus 3.1.11
  - postybirb_plus 3.1.12
  - postybirb_plus 3.1.13
  - postybirb_plus 3.1.14
  - postybirb_plus 3.1.15
  - postybirb_plus 3.1.16
  - postybirb_plus 3.1.17
  - postybirb_plus 3.1.18
  - postybirb_plus 3.1.19
  - postybirb_plus 3.1.20
  - postybirb_plus 3.1.21
  - postybirb_plus 3.1.22
  - postybirb_plus 3.1.23
  - postybirb_plus 3.1.24
  - postybirb_plus 3.1.25
  - postybirb_plus 3.1.26
  - postybirb_plus 3.1.27
  - postybirb_plus 3.1.28
  - postybirb_plus 3.1.29
  - postybirb_plus 3.1.30
  - postybirb_plus 3.1.31
  - postybirb_plus 3.1.32
  - postybirb_plus 3.1.33
  - postybirb_plus 3.1.34
  - postybirb_plus 3.1.35
  - postybirb_plus 3.1.36
  - postybirb_plus 3.1.37
  - postybirb_plus 3.1.38
  - postybirb_plus 3.1.39
  - postybirb_plus 3.1.40
  - postybirb_plus 3.1.41
  - postybirb_plus 3.1.42
  - postybirb_plus 3.1.43
  - postybirb_plus 3.1.44
  - postybirb_plus 3.1.45
  - postybirb_plus 3.1.46
  - postybirb_plus 3.1.47
  - postybirb_plus 3.1.48
  - postybirb_plus 3.1.49
published: '2026-11-01'
updated: '2026-11-01'
sourceUpdated: '2026-11-01T00:30:25.292Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-120190'
references:
  - url: 'https://vuldb.com/vuln/429529'
    label: >-
      VDB-429529 | PostyBirb Plus Submission Description Editor
      DescriptionInput.tsx cross site scripting
  - url: 'https://vuldb.com/vuln/429529/cti'
    label: 'VDB-429529 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-120190'
    label: CVE-2026-120190 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1027356'
    label: >-
      Submit #1027356 | PostyBirb PostyBirb Plus <= 3.1.75 Stored Cross-Site
      Scripting
  - url: 'https://github.com/mvdicarlo/postybirb-plus/issues/504'
  - url: 'https://github.com/mvdicarlo/postybirb-plus/pull/506'
  - url: 'https://github.com/user-attachments/files/32685547/report.md'
  - url: >-
      https://github.com/mvdicarlo/postybirb-plus/commit/6b11c2345ad98ae59fd5404a9f1024eb1d10c8a4
  - url: 'https://github.com/mvdicarlo/postybirb-plus/releases/tag/v3.1.76'
tags:
  - cve.org
epss: 0.00392
epssPercentile: 0.33465
ingestedAt: '2026-11-05T18:28:50.673Z'
---

## Overview

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.

## Affected

- `postybirb_plus 3.1.0`
- `postybirb_plus 3.1.1`
- `postybirb_plus 3.1.2`
- `postybirb_plus 3.1.3`
- `postybirb_plus 3.1.4`
- `postybirb_plus 3.1.5`
- `postybirb_plus 3.1.6`
- `postybirb_plus 3.1.7`
- `postybirb_plus 3.1.8`
- `postybirb_plus 3.1.9`
- `postybirb_plus 3.1.10`
- `postybirb_plus 3.1.11`
- `postybirb_plus 3.1.12`
- `postybirb_plus 3.1.13`
- `postybirb_plus 3.1.14`
- `postybirb_plus 3.1.15`
- `postybirb_plus 3.1.16`
- `postybirb_plus 3.1.17`
- `postybirb_plus 3.1.18`
- `postybirb_plus 3.1.19`
- `postybirb_plus 3.1.20`
- `postybirb_plus 3.1.21`
- `postybirb_plus 3.1.22`
- `postybirb_plus 3.1.23`
- `postybirb_plus 3.1.24`
- `postybirb_plus 3.1.25`
- `postybirb_plus 3.1.26`
- `postybirb_plus 3.1.27`
- `postybirb_plus 3.1.28`
- `postybirb_plus 3.1.29`
- `postybirb_plus 3.1.30`
- `postybirb_plus 3.1.31`
- `postybirb_plus 3.1.32`
- `postybirb_plus 3.1.33`
- `postybirb_plus 3.1.34`
- `postybirb_plus 3.1.35`
- `postybirb_plus 3.1.36`
- `postybirb_plus 3.1.37`
- `postybirb_plus 3.1.38`
- `postybirb_plus 3.1.39`
- `postybirb_plus 3.1.40`
- `postybirb_plus 3.1.41`
- `postybirb_plus 3.1.42`
- `postybirb_plus 3.1.43`
- `postybirb_plus 3.1.44`
- `postybirb_plus 3.1.45`
- `postybirb_plus 3.1.46`
- `postybirb_plus 3.1.47`
- `postybirb_plus 3.1.48`
- `postybirb_plus 3.1.49`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.