CVE-2021-24841
MEDIUMCVSS 4.8/10EPSS 0.73%
Last modified
CVE-2021-24841 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The Helpful WordPress plugin before 4.4.59 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed. EPSS estimates a 0.73% chance of exploitation in the next 30 days.
Description
The Helpful WordPress plugin before 4.4.59 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Helpful Project | Helpful | < 4.4.59 |
References
- https://mikadmin.fr/tech/XSS-Stored-Helpful-5b10bc7f40ab319f9797eb4abad4f420660.pdfExploit, Third Party Advisory
- https://wpscan.com/vulnerability/55d11acf-8c47-40da-be47-24f74fd7566eExploit, Third Party Advisory
- https://mikadmin.fr/tech/XSS-Stored-Helpful-5b10bc7f40ab319f9797eb4abad4f420660.pdfExploit, Third Party Advisory
- https://wpscan.com/vulnerability/55d11acf-8c47-40da-be47-24f74fd7566eExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-24841?
The Helpful WordPress plugin before 4.4.59 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
How severe is CVE-2021-24841?
CVE-2021-24841 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.
How do I fix CVE-2021-24841?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-24836The Temporary Login Without Password WordPress plugin before…4.3
- CVE-2021-24837The Passster WordPress plugin before 3.5.5.8 does not escape…5.4
- CVE-2021-24838The AnyComment WordPress plugin before 0.3.5 has an API endp…6.1
- CVE-2021-24839The SupportCandy WordPress plugin before 2.2.5 does not have…7.5
- CVE-2021-2484Vulnerability in the Oracle Operations Intelligence product …8.1
- CVE-2021-24840The Squaretype WordPress theme before 3.0.4 allows unauthent…5.3
- CVE-2021-24842The Bulk Datetime Change WordPress plugin before 1.12 does n…5.4
- CVE-2021-24843The SupportCandy WordPress plugin before 2.2.7 does not have…6.5
- CVE-2021-24844The Affiliates Manager WordPress plugin before 2.8.7 does no…7.2
- CVE-2021-24845The Improved Include Page WordPress plugin through 1.2 allow…6.5
- CVE-2021-24846The get_query() function of the Ni WooCommerce Custom Order …8.8
- CVE-2021-24847The importFromRedirection AJAX action of the SEO Redirection…8.8
Are you affected by CVE-2021-24841?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST