CVE-2021-39335Public exploitNetwork attack vector

Stored script execution via unsanitized option parameters

Published Oct 15, 2021 · Updated Mar 31, 2025

Stored XSS in WpGenius Job Listing 1.0 through 1.0.2 allows remote authenticated users to inject scripts through plugin option parameters. The options handler stores Default message for (no job), Reply-To, and Subject values without adequately validating or sanitizing script-bearing input. Administrator access and disabled unfiltered_html are required; the stored payload executes in a browser when affected settings content is rendered.

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 WpGenius Job Listing 1.0 through 1.0.2 allows remote authenticated users to inject scripts through plugin option parameters. The options handler stores Default message for (no job), Reply-To, and Subject values without adequately validating or sanitizing script-bearing input. Administrator access and disabled unfiltered_html are required; the stored payload executes in a browser when affected settings content is rendered.

The record

CVE
CVE-2021-39335
Published
Oct 15, 2021
Updated
Mar 31, 2025
Vendor
Wpgenious
Product
WpGenius Job Listing
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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.2 1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Wpgenious · WpGenius Job Listingversion=1.0.2 1.0

Published CVSS scores

2.1NISTAV:N/AC:H/Au:S/C:N/I:P/A:N
5.5WordfenceCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
4.8NISTCVSS: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')
T1059.007JavaScript/JScript

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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