CVE-2021-24617Network attack vector

Reflected XSS via unescaped op_edit parameter

Published Oct 18, 2021 · Updated Aug 3, 2024

Reflected XSS in GamePress – The Game Database Plugin 1.1.0 and earlier allows remote attackers to execute script via a crafted request. Multiple Game Option pages output the attacker-controlled op_edit POST parameter without escaping it for the surrounding HTML context. Exploitation requires a user with access to an affected page to follow or submit the request, after which the script runs in that user's site context.

CVSS severity6.1
Medium
EPSS probability0.77%
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 GamePress – The Game Database Plugin 1.1.0 and earlier allows remote attackers to execute script via a crafted request. Multiple Game Option pages output the attacker-controlled op_edit POST parameter without escaping it for the surrounding HTML context. Exploitation requires a user with access to an affected page to follow or submit the request, after which the script runs in that user's site context.

The record

CVE
CVE-2021-24617
Published
Oct 18, 2021
Updated
Aug 3, 2024
Vendor
Kemal Yazici
Product
GamePress – The Game Database Plugin
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

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=1.1.0 <=1.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Kemal Yazici · GamePress – The Game Database Pluginversion=1.1.0 <=1.1.0

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3NIST NVDAV:N/AC:M/Au:N/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 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')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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