CVE-2022-4527Network attack vector

Stored XSS via unescaped assigned-group title

Published Dec 15, 2022 · Updated Aug 3, 2024

Stored XSS in Collective collective.task 3.0.0 through 3.0.8 allows remote authenticated users to execute scripts through a group title. AssignedGroupColumn.renderCell inserts the assigned Plone group's title into task-table HTML without escaping it. Exploitation requires control of group metadata and a victim to view the affected table; the script then runs under the site's browser origin.

CVSS severity3.5
Low
EPSS probability0.55%
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 Collective collective.task 3.0.0 through 3.0.8 allows remote authenticated users to execute scripts through a group title. AssignedGroupColumn.renderCell inserts the assigned Plone group's title into task-table HTML without escaping it. Exploitation requires control of group metadata and a victim to view the affected table; the script then runs under the site's browser origin.

The record

CVE
CVE-2022-4527
Published
Dec 15, 2022
Updated
Aug 3, 2024
Vendor
Collective
Product
collective.task
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 15, 2022CVE 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=3.0.0
  2. Affected versionversion=3.0.1
  3. Affected versionversion=3.0.2
  4. Affected versionversion=3.0.3
  5. Affected versionversion=3.0.4
  6. Affected versionversion=3.0.5
  7. Affected versionversion=3.0.6
  8. Affected versionversion=3.0.7
  9. Affected versionversion=3.0.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Collective · collective.taskversion=3.0.0; version=3.0.1; version=3.0.2; version=3.0.3; version=3.0.4; version=3.0.5; version=3.0.6; version=3.0.7; version=3.0.8

Published CVSS scores

3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
6.1NISTCVSS:3.1/AV:N/AC:L/PR:N/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

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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