VDB-348169 · CVE-2026-24351 · Nessus 300984

PluXml CMS 5.8.21/5.9.0-rc7 Static Page cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in PluXml CMS 5.8.21/5.9.0-rc7 and classified as problematic. This affects an unknown function of the component Static Page. This manipulation causes cross site scripting. The identification of this vulnerability is CVE-2026-24351. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in PluXml CMS 5.8.21/5.9.0-rc7 and classified as problematic. Affected by this vulnerability is an unknown part of the component Static Page. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

PluXml CMS is vulnerable to Stored XSS in Static Pages editing functionality. Attacker with editing privileges can inject arbitrary HTML and JS into website, which will be rendered/executed when visiting edited page. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only versions 5.8.21 and 5.9.0-rc7 were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.

The weakness was shared by Arkadiusz Marta. The advisory is shared at cert.pl. This vulnerability is known as CVE-2026-24351 since 01/22/2026. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 300984 (Linux Distros Unpatched Vulnerability : CVE-2026-24351), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (300984). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Content Management System

Vendor

PluXml

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 300984
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-24351

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/22/2026 CVE reserved
02/27/2026 +36 days Advisory disclosed
02/27/2026 +0 days VulDB entry created
03/08/2026 +9 days VulDB entry last update

Sourcesinfo

Advisory: cert.pl
Researcher: Arkadiusz Marta
Status: Not defined

CVE: CVE-2026-24351 (🔒)
GCVE (CVE): GCVE-0-2026-24351
GCVE (VulDB): GCVE-100-348169

Entryinfo

Created: 02/27/2026 13:51
Updated: 03/08/2026 10:31
Changes: 02/27/2026 13:51 (67), 03/01/2026 18:26 (11), 03/08/2026 10:31 (2)
Complete: 🔍
Cache ID: 216:A5D:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.