CVE-2021-24548Public exploitNetwork attack vector

Administrator-stored XSS via publisher ID field

Published Aug 16, 2021 · Updated Aug 3, 2024

Stored XSS in Mimetic Books 0.2.13 and earlier allows remote authenticated users to execute JavaScript through a publisher setting. The Default Publisher ID field stores an injected script in the database without neutralizing it and later renders it in the settings workflow. Administrator access is required to save the value, and execution occurs when a browser triggers the affected functionality.

CVSS severity4.8
Medium
EPSS probability0.62%
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 Mimetic Books 0.2.13 and earlier allows remote authenticated users to execute JavaScript through a publisher setting. The Default Publisher ID field stores an injected script in the database without neutralizing it and later renders it in the settings workflow. Administrator access is required to save the value, and execution occurs when a browser triggers the affected functionality.

The record

CVE
CVE-2021-24548
Published
Aug 16, 2021
Updated
Aug 3, 2024
Vendor
Mimetic
Product
Mimetic Books
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 16, 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=0.2.13 <=0.2.13

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Mimetic · Mimetic Booksversion=0.2.13 <=0.2.13

Published CVSS scores

4.8WPScanCVSS: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
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 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')
T1059.007Command and Scripting Interpreter: JavaScript/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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