CVE-2021-43682

Name: CVE-2021-43682
Creator: NVD / NIST
Published: 2021-12-02T14:15:08.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2021-43682 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. thinkphp-bjyblog (last update Jun 4 2021) is affected by a Cross Site Scripting (XSS) vulnerability in AdminBaseController.class.php. The exit function terminates the script and prints a message to the user that contains $_SERVER['HTTP_HOST'].. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

thinkphp-bjyblog (last update Jun 4 2021) is affected by a Cross Site Scripting (XSS) vulnerability in AdminBaseController.class.php. The exit function terminates the script and prints a message to the user that contains $_SERVER['HTTP_HOST'].

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.56%

42.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Thinkphp-Bjyblog Project	Thinkphp-Bjyblog	All versions

References

https://github.com/baijunyao/thinkphp-bjyblog/issues/6Exploit, Issue Tracking, Third Party Advisory
https://github.com/baijunyao/thinkphp-bjyblog/issues/6Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Dec 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43682?

How severe is CVE-2021-43682?

CVE-2021-43682 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43682?

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-2021-43682?

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

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Source: NVD / NIST