CVE-2021-24516

PlanSo Forms <= 2.6.3 - Authenticated Stored Cross-Site Scripting

MEDIUM
4.8
CVSS Score
Published: October 18, 2021 at 01:45 PM UTC
Updated: June 17, 2026 at 03:40 AM UTC
1 product affected across 1 vendorPlanso Forms

Using PlanSo Forms by Unknown?

Get instant alerts when new vulnerabilities affect PlanSo Forms - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM4.8
Exploit prediction
EPSS 0.6%

Description

The PlanSo Forms WordPress plugin through 2.6.3 does not escape the title of its Form before outputting it in attributes, allowing high privilege users such as admin to set XSS payload in it, even when the unfiltered_html is disallowed, leading to an Authenticated Stored Cross-Site Scripting issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Planso Forms· Plansowordpress-plugin
95%
v ≤ 2.6.32.6.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card