Ad Inserter - Reflected cross-site scripting (XSS)

Summary

Name	Ad Inserter - Ad Manager and AdSense Ads 2.7.3 - Reflected cross-site scripting (XSS)
Code name	skims-8
Product	Ad Inserter - Ad Manager and AdSense Ads
Affected versions	Version 2.7.3
State	Private
Release date	2024-12-06

Vulnerability

Kind	Reflected cross-site scripting (XSS)
Rule	Reflected cross-site scripting (XSS)
Remote	No
CVSSv4 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/E:U
Exploit available	No
CVE ID(s)	cve-2020-2020

Description

Ad Inserter - Ad Manager and AdSense Ads 2.7.3 was found to be vulnerable. The web application dynamically generates web content without validating the source of the potentially untrusted data in myapp/includes/dst/dst.php.

Vulnerability

Skims by Fluid Attacks discovered a Reflected cross-site scripting (XSS) in Ad Inserter - Ad Manager and AdSense Ads 2.7.3. The following is the output of the tool:

Skims output

 1534 | $this->action = self::DST_ACTION_OPTIN_NEWSLETTER; 1535 | $this->update (true); 1536 | } elseif ($action == '-no') { 1537 | $this->set_use_email (false); 1538 | $this->action = self::DST_ACTION_OPTIN_NO_NEWSLETTER; 1539 | $this->update (true); 1540 | } 1541 | } 1542 | 1543 | elseif (isset ($_POST [""slug""]) && isset ($_POST [""notice-check""])) { > 1544 | echo $_POST [""notice-check""]; 1545 | } 1546 | 1547 | elseif (isset ($_POST [""slug""]) && isset ($_POST [""values""]) && isset ($_POST ['details'])) { 1548 | $values = json_encode (wp_unslash ($_POST ['values'])); 1549 | $this->set_deactivation_reason ($values); 1550 | 1551 | $details = sanitize_text_field (wp_unslash ($_POST ['details'])); 1552 | $this->set_deactivation_details ($details);
  1553 |
  1554 |       if (isset ($_POST [""hide_form""])) {
       ^ Col 0

Our security policy

We have reserved the ID cve-2020-2020 to refer to this issue from now on.

• https://fluidattacks.com/advisories/policy/

System Information

• Version: Ad Inserter - Ad Manager and AdSense Ads

2.7.3

Mitigation

There is currently no patch available for this vulnerability.

Credits

The vulnerability was discovered by Andres Roldan from Fluid Attacks' Offensive Team using Skims

Timeline