CVE-2021-24315Public exploitNetwork attack vector

Stored XSS via unescaped image settings

Published May 17, 2021 · Updated Aug 3, 2024

Stored XSS in Liquid Web GiveWP before 2.10.4 allows remote authenticated users with administrator access to execute scripts in another user's browser. The Stripe Checkout Background Image and Email Logo settings store administrator-supplied values without sanitizing them or escaping them when rendered. An administrator must save a crafted value and another user must view the affected output, allowing script execution in that user's browser and access to data or actions available to that session.

CVSS severity4.8
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 Liquid Web GiveWP before 2.10.4 allows remote authenticated users with administrator access to execute scripts in another user's browser. The Stripe Checkout Background Image and Email Logo settings store administrator-supplied values without sanitizing them or escaping them when rendered. An administrator must save a crafted value and another user must view the affected output, allowing script execution in that user's browser and access to data or actions available to that session.

The record

CVE
CVE-2021-24315
Published
May 17, 2021
Updated
Aug 3, 2024
Vendor
Liquid Web
Product
GiveWP
Classifications
CWE-79, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 17, 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=2.10.4 <2.10.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Liquid Web · GiveWPversion=2.10.4 <2.10.4

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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')
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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