CVE-2022-0205Public exploitNetwork attack vector

Author-level stored XSS via reCAPTCHA Site Key

Published Mar 7, 2022 · Updated Aug 2, 2024

Stored XSS in YOP's YOP Poll before 6.3.5 allows remote authenticated users to execute scripts via the reCAPTCHA Site Key setting. The Integration settings path stores the Site Key without sanitization and renders the value without output escaping. Author-level access is sufficient, and the payload executes when an authorized user adds or edits a poll.

CVSS severity5.4
Medium
EPSS probability0.60%
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 YOP's YOP Poll before 6.3.5 allows remote authenticated users to execute scripts via the reCAPTCHA Site Key setting. The Integration settings path stores the Site Key without sanitization and renders the value without output escaping. Author-level access is sufficient, and the payload executes when an authorized user adds or edits a poll.

The record

CVE
CVE-2022-0205
Published
Mar 7, 2022
Updated
Aug 2, 2024
Vendor
YOP
Product
YOP Poll
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 7, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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=6.3.5 <6.3.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

YOP · YOP Pollversion=6.3.5 <6.3.5

Published CVSS scores

3.5NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
5.4NVDCVSS: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
Privilegesauthenticated
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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