CVE-2024-1636Network attack vector

Backend script execution via undisclosed page-editing flaw

Published Feb 28, 2024 · Updated Aug 1, 2024

Cross-site scripting in Sitefinity CMS page editing allows remote authenticated users to run script in another backend user's browser. Progress has not published the affected field, handler, or missing output-encoding operation within the page-editing area. Exploitation requires low-privileged backend access and another user to open the crafted content, exposing that user's Sitefinity session to script actions.

CVSS severity5.4
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

Cross-site scripting in Sitefinity CMS page editing allows remote authenticated users to run script in another backend user's browser. Progress has not published the affected field, handler, or missing output-encoding operation within the page-editing area. Exploitation requires low-privileged backend access and another user to open the crafted content, exposing that user's Sitefinity session to script actions.

The record

CVE
CVE-2024-1636
Published
Feb 28, 2024
Updated
Aug 1, 2024
Vendor
Progress Software Corporation
Product
Sitefinity CMS
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 28, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 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=13.3.7600 <13.3.7649
  2. Affected versionversion=14.4.8100 <14.4.8135
  3. Affected versionversion=15.0.8200 <15.0.8227

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Progress Software Corporation · Sitefinity CMSversion=13.3.7600 <13.3.7649; version=14.4.8100 <14.4.8135; version=15.0.8200 <15.0.8227

Published CVSS scores

5.4NISTCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
8.0Progress Software CorporationCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

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')
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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