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CVE-2024-48042NVD status: Deferred

Contact Form by Supsystic: Improper Neutralization of Script in Attributes of IMG Tags in a Web Page

CVE-2024-48042 is a critical-severity improper neutralization of script in attributes of IMG tags in a web page vulnerability in Contact Form by Supsystic from Supsystic, with a CVSS 3.1 base score of 9.1 out of 10. It can be exploited remotely over the network by an attacker with administrator privileges, without any action from a user. Affected Contact Form by Supsystic versions: 1.7.28 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 1.15% chance of exploitation within 30 days, higher than 67% of scored CVEs.

Patch this week

Critical severity: a successful attack would have severe impact.

What to do

  1. Check which version of Contact Form by Supsystic you run against the affected versions below, and install the vendor's latest release.

Affected products and versions

VendorProductAffected versionsFixed in
SupsysticContact Form by Supsystic1.7.28 and earlierNot stated
Supsysticcontact_form1.7.28 and earlierNot stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
HighAdministrator-level access is required first.
User interaction
NoneNo action by a victim is required.
Scope
ChangedThe attack can reach beyond the vulnerable component into other systems.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H. Scored by CNA (patchstack.com).

Official description

Deserialization of Untrusted Data vulnerability in supsystic Contact Form by Supsystic contact-form-by-supsystic allows Command Injection.This issue affects Contact Form by Supsystic: from n/a through <= 1.7.28.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Neutralization of Script in Attributes of IMG Tags in a Web Page

The web application does not neutralize or incorrectly neutralizes scripting elements within attributes of HTML IMG tags, such as the src attribute.

More Improper Neutralization of Script in Attributes of IMG Tags in a Web Page vulnerabilities (CWE-82)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Contact Form by Supsystic

All Contact Form by Supsystic vulnerabilities

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