CVE-2021-24436
Last modified
CVE-2021-24436 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The W3 Total Cache WordPress plugin before 2.1.4 was vulnerable to a reflected Cross-Site Scripting (XSS) security vulnerability within the "extension" parameter in the Extensions dashboard, which is output in an attribute without being escaped first. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.. EPSS estimates a 1.91% chance of exploitation in the next 30 days.
Description
The W3 Total Cache WordPress plugin before 2.1.4 was vulnerable to a reflected Cross-Site Scripting (XSS) security vulnerability within the "extension" parameter in the Extensions dashboard, which is output in an attribute without being escaped first. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Boldgrid | W3 Total Cache | < 2.1.4 |
References
- https://wpscan.com/vulnerability/05988ebb-7378-4a3a-9d2d-30f8f58fe9efExploit, Third Party Advisory
- https://wpscan.com/vulnerability/05988ebb-7378-4a3a-9d2d-30f8f58fe9efExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-24436?
How severe is CVE-2021-24436?
How do I fix CVE-2021-24436?
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-2021-24430The Speed Booster Pack ⚡ PageSpeed Optimization Suite WordPr…7.2
- CVE-2021-24431The Language Bar Flags WordPress plugin through 1.0.8 does n…4.3
- CVE-2021-24432The Advanced AJAX Product Filters WordPress plugin does not …6.1
- CVE-2021-24433The simple sort&search WordPress plugin through 0.0.3 does n…5.4
- CVE-2021-24434The Glass WordPress plugin through 1.3.2 does not sanitise o…6.1
- CVE-2021-24435The iframe-font-preview.php file of the titan-framework does…6.1
- CVE-2021-24437The Favicon by RealFaviconGenerator WordPress plugin through…6.1
- CVE-2021-24438The ShareThis Dashboard for Google Analytics WordPress plugi…6.1
- CVE-2021-24439The Browser Screenshots WordPress plugin before 1.7.6 allowe…5.4
- CVE-2021-2444Vulnerability in the MySQL Server product of Oracle MySQL (c…4.9
- CVE-2021-24440The Sign-up Sheets WordPress plugin before 1.0.14 did not sa…4.8
- CVE-2021-24441The Sign-up Sheets WordPress plugin before 1.0.14 does not n…8
Are you affected by CVE-2021-24436?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST