CVE-2021-24702Public exploitNetwork attack vector

Stored script execution via unsanitized course settings

Published Oct 18, 2021 · Updated Aug 3, 2024

Stored XSS in course settings in LearnPress before 4.1.3.1 allows remote authenticated users to inject scripts into course pages. The External Link, Requirements, Target Audience, Key Features, and FAQ Title fields store markup without adequate sanitization or output escaping. Administrator-level course-editing access is required, and exploitation applies when unfiltered_html is disabled; opening the affected content executes the stored script in a viewer's browser.

CVSS severity4.8
Medium
EPSS probability0.68%
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 course settings in LearnPress before 4.1.3.1 allows remote authenticated users to inject scripts into course pages. The External Link, Requirements, Target Audience, Key Features, and FAQ Title fields store markup without adequate sanitization or output escaping. Administrator-level course-editing access is required, and exploitation applies when unfiltered_html is disabled; opening the affected content executes the stored script in a viewer's browser.

The record

CVE
CVE-2021-24702
Published
Oct 18, 2021
Updated
Aug 3, 2024
Vendor
Overdrive Eletrônica
Product
LearnPress
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

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=4.1.3.1 <4.1.3.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Overdrive Eletrônica · LearnPressversion=4.1.3.1 <4.1.3.1

Published CVSS scores

2.1NIST NVDAV:N/AC:H/Au:S/C:N/I:P/A:N
4.8NIST NVDCVSS: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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