CVE-2023-30487Network attack vector

Unauthenticated browser script execution

Published May 18, 2023 · Updated Apr 28, 2026

Reflected XSS in ThimPress LearnPress Export Import 4.0.2 and earlier allows remote attackers to execute scripts via crafted requests. The published advisory does not identify the affected request parameter or code path that reflects input into an HTML response without neutralization. Exploitation requires a victim to follow a crafted link or submit a crafted form, after which script runs in the victim's browser under the site's origin.

CVSS severity7.1
High
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in ThimPress LearnPress Export Import 4.0.2 and earlier allows remote attackers to execute scripts via crafted requests. The published advisory does not identify the affected request parameter or code path that reflects input into an HTML response without neutralization. Exploitation requires a victim to follow a crafted link or submit a crafted form, after which script runs in the victim's browser under the site's origin.

The record

CVE
CVE-2023-30487
Published
May 18, 2023
Updated
Apr 28, 2026
Vendor
Overdrive Eletrônica
Product
LearnPress Export Import
Classifications
CWE-79, CAPEC-591, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 18, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record 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=n/a <=4.0.2 changes=[{"at":"4.0.3","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Overdrive Eletrônica · LearnPress Export Importversion=n/a <=4.0.2 changes=[{"at":"4.0.3","status":"unaffected"}]

Published CVSS scores

6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
T1189Drive-by Compromise

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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