XSS in Job Board Vanila Plugin
CVE-2021-39334
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.009 (57.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Job Board Vanila Plugin — versions 1.0
- Perceptionsystem Job_board_vanila
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@wordfence.com (Third Party Advisory, x_refsource_MISC)
- security@wordfence.com (Exploit, Third Party Advisory, x_refsource_MISC)
- security@wordfence.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-39334?
- CVE-2021-39334 is a medium-severity vulnerability in Job Board Vanila Plugin, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2021-10-15.
- How severe is CVE-2021-39334?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-39334 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.