CVE-2021-24734Network attack vector

Stored XSS via unescaped shortcode attributes

Published Oct 18, 2021 · Updated Aug 3, 2024

Stored cross-site scripting in Tips and Tricks HQ Compact WP Audio Player before 1.9.7 allows remote authenticated users to inject scripts. The shortcode renderer places contributor-controlled attributes into generated page markup without escaping them, so the payload persists in published content. Contributor access is sufficient, and the script executes in the browser of a visitor who loads the affected post or page, enabling actions in that visitor's site context.

CVSS severity5.4
Medium
EPSS probability0.65%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in Tips and Tricks HQ Compact WP Audio Player before 1.9.7 allows remote authenticated users to inject scripts. The shortcode renderer places contributor-controlled attributes into generated page markup without escaping them, so the payload persists in published content. Contributor access is sufficient, and the script executes in the browser of a visitor who loads the affected post or page, enabling actions in that visitor's site context.

The record

CVE
CVE-2021-24734
Published
Oct 18, 2021
Updated
Aug 3, 2024
Vendor
Tips and Tricks HQ
Product
Compact WP Audio Player
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 18, 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

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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=1.9.7 <1.9.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Tips and Tricks HQ · Compact WP Audio Playerversion=1.9.7 <1.9.7

Published CVSS scores

5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.5NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
6.4WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

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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