CVE-2021-24246Public exploitNetwork attack vector

Authenticated stored XSS via unsanitized chat messages

Published May 5, 2021 · Updated Aug 3, 2024

Stored XSS in PureThemes WorkScout before 2.0.33 and WorkScout Core before 1.3.4 allows remote authenticated users to run browser script. The workscout_send_message_chat AJAX action stores the message parameter without sanitizing script or embedded-frame markup before display. An authenticated account can post the payload, and execution requires another user to view the stored conversation; the script runs in the site's origin.

CVSS severity5.4
Medium
EPSS probability0.66%
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 PureThemes WorkScout before 2.0.33 and WorkScout Core before 1.3.4 allows remote authenticated users to run browser script. The workscout_send_message_chat AJAX action stores the message parameter without sanitizing script or embedded-frame markup before display. An authenticated account can post the payload, and execution requires another user to view the stored conversation; the script runs in the site's origin.

The record

CVE
CVE-2021-24246
Published
May 5, 2021
Updated
Aug 3, 2024
Vendor
PureThemes
Product
WorkScout
Classifications
CWE-79, CAPEC-592, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 5, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=2.0.33 <2.0.33

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

PureThemes · WorkScoutversion=2.0.33 <2.0.33
PureThemes · WorkScout Coreversion=1.3.4 <1.3.4

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1203Exploitation for Client Execution

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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