Popup-Builder Popup Builder Plugin 3.49 on WordPress POST post.php post_title cross site scripting

Summaryinfo

A vulnerability classified as problematic has been found in Popup-Builder Popup Builder Plugin 3.49 on WordPress. Affected by this issue is some unknown functionality of the file post.php of the component POST Handler. Performing a manipulation of the argument post_title results in cross site scripting. This vulnerability is known as CVE-2019-25744. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in Popup-Builder Popup Builder Plugin 3.49 on WordPress. This affects some unknown processing of the file post.php of the component POST Handler. The manipulation of the argument post_title with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

WordPress Popup Builder 3.49 contains a persistent cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by breaking out of option tags in the post_title parameter. Attackers can submit crafted POST requests to the post.php endpoint with script payloads in the post_title field that execute when pages or posts display popup selections.

The weakness was published by Unk9vvN as 47518. The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2019-25744 since 06/04/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:post.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

• WordPress Plugin

Vendor

• Popup-Builder

Name

• Popup Builder Plugin

Version

• 3.49

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

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Entryinfo

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

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