CVE-2021-24516
Last modified
CVE-2021-24516 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Planso | Planso Forms | <= 2.6.3 |
References
- https://wpscan.com/vulnerability/88d70e35-4c22-4bc7-b1a5-24068d55257cExploit, Third Party Advisory
- https://wpscan.com/vulnerability/88d70e35-4c22-4bc7-b1a5-24068d55257cExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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