CVE-2022-44031Network attack vector

Persistent XSS via unescaped blockquote citation

Published Dec 12, 2022 · Updated Apr 22, 2025

Persistent XSS in Redmine before 4.2.9 and 5.0.x before 5.0.4 allows remote attackers to execute script in a viewer's browser. The textile_bq method inserts an unescaped Textile blockquote citation into an HTML cite attribute, permitting attribute breakout. Exploitation requires crafted Textile in a stored field and a user to view the rendered content; the script can read or modify data available to that user's session.

CVSS severity6.1
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Persistent XSS in Redmine before 4.2.9 and 5.0.x before 5.0.4 allows remote attackers to execute script in a viewer's browser. The textile_bq method inserts an unescaped Textile blockquote citation into an HTML cite attribute, permitting attribute breakout. Exploitation requires crafted Textile in a stored field and a user to view the rendered content; the script can read or modify data available to that user's session.

The record

CVE
CVE-2022-44031
Published
Dec 12, 2022
Updated
Apr 22, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 12, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 22, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1CISA-ADPCVSS: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

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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