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.
CVSS Score
5.4
EPSS Score
0.0
Published
2026-02-27
PluXml CMS allows a user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behaviour enables an attacker to fix a session ID
for a victim and later hijack the authenticated session.
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.
CVSS Score
9.8
EPSS Score
0.0
Published
2026-02-27
PluXml CMS is vulnerable to Stored XSS in file uploading functionality. An authenticated attacker can upload an SVG file containing a malicious payload, which will be executed when a victim clicks the link associated with the uploaded image.
In version 5.9.0-rc7 clicking the link associated with the uploaded image doesn't execute malicious code but directly accessing the file will still execute the embedded payload.
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.
CVSS Score
5.4
EPSS Score
0.0
Published
2026-02-27
A vulnerability was determined in PluXml up to 5.8.22. Affected is the function FileCookieJar::__destruct of the file core/admin/medias.php of the component Media Management Module. Executing a manipulation of the argument File can lead to deserialization. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was informed early about this issue and announced that "[w]e fix this issue in the next version 5.8.23". A patch for it is ready.
CVSS Score
4.7
EPSS Score
0.001
Published
2026-01-02
Authenticated Remote Code Execution (RCE) in PluXml CMS 5.8.22 allows an attacker with administrator panel access to inject a malicious PHP webshell into a theme file (e.g., home.php).
CVSS Score
6.5
EPSS Score
0.002
Published
2025-12-22
PluXml Blog v5.8.9 was discovered to contain a remote code execution (RCE) vulnerability in the Static Pages feature. This vulnerability is exploited via injecting a crafted payload into the Content field.
CVSS Score
8.8
EPSS Score
0.048
Published
2024-01-25
Pluxml v5.8.7 was discovered to allow attackers to execute arbitrary code via crafted PHP code inserted into static pages.
CVSS Score
8.8
EPSS Score
0.066
Published
2022-03-01
A cross-site scripting (XSS) vulnerability in Pluxml v5.8.7 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the thumbnail path of a blog post.
CVSS Score
5.4
EPSS Score
0.01
Published
2022-03-01
A stored cross-site scripting (XSS) vulnerability in the component /core/admin/comment.php of PluXml v5.8.7 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the author parameter.
CVSS Score
5.4
EPSS Score
0.002
Published
2022-02-15
A stored cross-site scripting (XSS) vulnerability in the component core/admin/medias.php of PluXml v5.8.7 allows attackers to execute arbitrary web scripts or HTML.
CVSS Score
5.4
EPSS Score
0.002
Published
2022-02-15
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