CVE-2026-120190
PostyBirb Plus Submission Description Editor DescriptionInput.tsx cross site scripting
LOW 2.0EPSS 0.4%
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
- CVSS v4.0 VULDB
- 2.0 LOW
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:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 VULDB
- 3.5 LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N - CVSS v2.0 VULDB
- 4.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:N - EPSS
- 0.39% chance of exploitation in the next 30 days, 33rd percentile
- Published
- 2026-11-01
Proof-of-concept exploits (1)
CVE references
- mvdicarlo/postybirb-plus/commit/6b11c2345ad98ae59fd5404a9f1024eb1d10c8a4PATCH
- mvdicarlo/postybirb-plus/issues/504REFERENCE
- mvdicarlo/postybirb-plus/pull/506PATCH
- mvdicarlo/postybirb-plus/releases/tag/v3.1.76PATCH
- https://vuldb.com/cve/CVE-2026-120190ADVISORY
- https://vuldb.com/submit/1027356ADVISORY
- https://vuldb.com/vuln/429529REFERENCE
- https://vuldb.com/vuln/429529/ctiREFERENCE