PT-2025-21813 · Unknown · Itwanger Paicoding

Shenxiusecurity · Published 2025-05-17 · Updated 2025-05-18 · CVE-2025-4839

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions: itwanger paicoding versions 1.0.0 through 1.0.3

Description: A vulnerability has been found in the software, classified as problematic. It affects an unknown functionality of the file /paicoding-core/src/main/java/com/github/paicoding/forum/core/util/CrossUtil.java, leading to a permissive cross-domain policy with untrusted domains. The attack can be launched remotely, with a rather high complexity, making exploitation difficult.

Recommendations: For versions 1.0.0 through 1.0.3, consider restricting access to the affected functionality in the CrossUtil.java file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Origin Validation Error

Weakness Enumeration

CWE-942

CWE-346

Related Identifiers

CVE-2025-4839

Affected Products

Itwanger Paicoding

References · 9

• 🔥 https://github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250510-02.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-4839 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-4839 · Security Note
• https://twitter.com/CVEnew/status/1923869436777464278 · Twitter Post
• https://vuldb.com/?submit.574826 · Note
• https://t.me/cvenotify/122782 · Telegram Post
• https://vuldb.com/?ctiid.309307 · Note
• https://vuldb.com/?id.309307 · Note
• https://t.me/cvetracker/24118 · Telegram Post