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VulnerabilityPublished Updated

CVE-2024-43033: jpress · Improper Handling of Windows ::DATA Alternate Data Stream

Affects jpressSource CVE Database V5

0

Mentioned vulnerabilities

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.9% chance of exploitation in 30 days – higher than 61% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 22 Aug 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Mavenio.jpress/jpresspkg:maven/io.jpress/jpressOther threatsAffected
  • <=5.1.1
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

To mitigate CVE-2024-43033, organizations should immediately upgrade JPress to a version that addresses this vulnerability once available. In the absence of an official patch, administrators should implement strict input validation and sanitization on file uploads, explicitly disallowing filenames containing NTFS alternate data stream syntax (:: $DATA). Employ web application firewalls (WAFs) with rules to detect and block suspicious upload patterns. Restrict file upload permissions and isolate upload directories with minimal privileges to limit execution capabilities. Monitor logs for unusual upload activity and conduct regular security assessments of web applications. Additionally, consider disabling or restricting execution of JSP files in upload directories and applying the principle of least privilege to the web server process. Network segmentation and intrusion detection systems can further reduce exposure.

Description

JPress through 5.1.1 on Windows has an arbitrary file upload vulnerability that could cause arbitrary code execution via ::$DATA to AttachmentController, such as a .jsp::$DATA file to io.jpress.web.commons.controller.AttachmentController#upload. NOTE: this is unrelated to the attack vector for CVE-2024-32358.

References

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