CVE-2026-120190
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account, but needs a user to act. Limited direct impact.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 2.0 LOW (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-79 · Cross-site scripting
- Record status
- Deferred
Attack profile CVSS 4.0 · 2.0
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- Low
- User interaction
- Passive
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Raw 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: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
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-120190.md and follow it. Check whether this project is affected by CVE-2026-120190. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/mvdicarlo/postybirb-plus/commit/6b11c2345ad98ae59fd5404a9f1024eb1d10c8a4
- https://github.com/mvdicarlo/postybirb-plus/pull/506
- https://github.com/mvdicarlo/postybirb-plus/releases/tag/v3.1.76
References
- https://github.com/mvdicarlo/postybirb-plus/commit/6b11c2345ad98ae59fd5404a9f1024eb1d10c8a4
- https://github.com/mvdicarlo/postybirb-plus/issues/504
- https://github.com/mvdicarlo/postybirb-plus/pull/506
- https://github.com/mvdicarlo/postybirb-plus/releases/tag/v3.1.76
- https://github.com/user-attachments/files/32685547/report.md
- https://vuldb.com/cve/CVE-2026-120190
- https://vuldb.com/submit/1027356
- https://vuldb.com/vuln/429529
- https://vuldb.com/vuln/429529/cti