Vulnerability · Published Sep 13, 2025 · Assigned by VulDB

CVE-2025-10331cdevroe unmark Marks.php cross site scripting

Low 3.5

In plain English

A low-severity cross-site scripting in unmark from cdevroe. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low

Exploit odds (30 days)0.3%top 76.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in cdevroe unmark up to 1.9.3. This issue affects some unknown processing of the file /application/controllers/Marks.php. Such manipulation of the argument Title leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
cdevroe	unmark	1.9.01.9.11.9.21.9.3

Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

References

VDB-323757 | cdevroe unmark Marks.php cross site scripting vdb-entry, technical-description
VDB-323757 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #643533 | cdevroe unmark 1.9.3 XSS third-party-advisory
https://github.com/YZS17/CVE/blob/main/unmark/xss2.md exploit