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CVE-2021-44082

HIGHCVSS 8.3/10EPSS 2.84%

Last modified

CVE-2021-44082 is a high-severity vulnerability rated 8.3/10 on the CVSS scale. textpattern 4.8.7 is vulnerable to Cross Site Scripting (XSS) via /textpattern/index.php,Body. A remote and unauthenticated attacker can use XSS to trigger remote code execution by uploading a webshell. EPSS estimates a 2.84% chance of exploitation in the next 30 days.

Description

textpattern 4.8.7 is vulnerable to Cross Site Scripting (XSS) via /textpattern/index.php,Body. A remote and unauthenticated attacker can use XSS to trigger remote code execution by uploading a webshell. To do so they must first steal the CSRF token before submitting a file upload request.

Metrics

CVSS 3.1
8.3/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS Probability
2.84%

84.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
TextpatternTextpattern4.8.7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-44082?
textpattern 4.8.7 is vulnerable to Cross Site Scripting (XSS) via /textpattern/index.php,Body. A remote and unauthenticated attacker can use XSS to trigger remote code execution by uploading a webshell. To do so they must first steal the CSRF token before submitting a file upload request.
How severe is CVE-2021-44082?
CVE-2021-44082 has a CVSS score of 8.3/10 (HIGH severity). The EPSS model estimates a 2.84% probability of exploitation in the next 30 days.
How do I fix CVE-2021-44082?
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.

Are you affected by CVE-2021-44082?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST