CVE-2021-39337Public exploitNetwork attack vector

Stored script execution via unsanitized job fields

Published Oct 15, 2021 · Updated Mar 31, 2025

Stored XSS in the job-portal WordPress plugin 0.0.1 allows remote authenticated users to execute scripts in visitors' browsers via job fields. The job creation path in admin/jobs_function.php stores values such as Job Title and Company Name without sufficient validation or sanitization before rendering them. Administrative access is required, and execution is limited to multisite installations or sites where administrators lack the unfiltered_html capability.

CVSS severity5.5
Medium
EPSS probability0.91%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in the job-portal WordPress plugin 0.0.1 allows remote authenticated users to execute scripts in visitors' browsers via job fields. The job creation path in admin/jobs_function.php stores values such as Job Title and Company Name without sufficient validation or sanitization before rendering them. Administrative access is required, and execution is limited to multisite installations or sites where administrators lack the unfiltered_html capability.

The record

CVE
CVE-2021-39337
Published
Oct 15, 2021
Updated
Mar 31, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Oct 15, 2021CVE publishedPublication date reported by the CVE source.
  2. Mar 31, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5WordfenceCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
2.1NVDAV:N/AC:H/Au:S/C:N/I:P/A:N
4.8NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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