Pluck CMS up to 4.7.21 Albums albums.admin.php htmlspecialchars_decode Info cross site scripting

Summaryinfo

A vulnerability was found in Pluck CMS up to 4.7.21. It has been classified as problematic. This issue affects the function htmlspecialchars_decode of the file data/modules/albums/albums.admin.php of the component Albums Module. The manipulation of the argument Info leads to cross site scripting. This vulnerability is documented as CVE-2026-16205. The attack can be initiated remotely. Additionally, an exploit exists. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability was found in Pluck CMS up to 4.7.21 and classified as problematic. This issue affects the function htmlspecialchars_decode of the file data/modules/albums/albums.admin.php of the component Albums Module. The manipulation of the argument info with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-16205. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation needs additional levels of successful authentication. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The exploit is available at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet. By approaching the search of inurl:data/modules/albums/albums.admin.php it is possible to find vulnerable targets with Google Hacking.

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Content Management System

Vendor

• Pluck

Name

• CMS

Version

• 4.7.0
• 4.7.1
• 4.7.2
• 4.7.3
• 4.7.4
• 4.7.5
• 4.7.6
• 4.7.7
• 4.7.8
• 4.7.9
• 4.7.10
• 4.7.11
• 4.7.12
• 4.7.13
• 4.7.14
• 4.7.15
• 4.7.16
• 4.7.17
• 4.7.18
• 4.7.19
• 4.7.20
• 4.7.21

License

• open-source

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #857798: pluck pluck-cms <= 4.7.21 dev Improper Neutralization of Alternate XSS Syntax (by kr1s)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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