CVE-2021-39334

Summary

The Job Board Vanila WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via the psjb_exp_in and the psjb_curr_in parameters found in the ~/job-settings.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 1.0. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.

Affected Software

Weaknesses

• CWE-79: CWE-79 Cross-site Scripting (XSS)

ADP Enrichment

CVE Program Container

Additional References

• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39334
• https://github.com/BigTiger2020/word-press/blob/main/Job%20Board%20Vanila%20Plugin-2.md
• https://plugins.trac.wordpress.org/browser/job-board-vanilla/trunk/job-settings.php

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39334
• https://github.com/BigTiger2020/word-press/blob/main/Job%20Board%20Vanila%20Plugin-2.md
• https://plugins.trac.wordpress.org/browser/job-board-vanilla/trunk/job-settings.php

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