Cross-site scripting in Kama SpamBlock plugin for WordPress

1) Cross-site scripting

EUVDB-ID: #VU99243

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-9647

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within $_POST values. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Kama SpamBlock: 1.8 - 1.8.2

CPE2.3

• cpe:2.3:a:bhittani:kama-spamblock:1.8.1:*:*:*:*:*:*:*
• cpe:2.3:a:bhittani:kama-spamblock:1.8.2:*:*:*:*:*:*:*
• cpe:2.3:a:bhittani:kama-spamblock:1.8:*:*:*:*:*:*:*

External links

http://www.wordfence.com/threat-intel/vulnerabilities/id/7f2d3acb-5931-4629-8f03-4ab40fadf7c7?source=cve
http://plugins.trac.wordpress.org/browser/kama-spamblock/tags/1.8.2/Kama_Spamblock.php#L106
http://plugins.trac.wordpress.org/changeset/3167874/kama-spamblock/tags/1.8.3/Kama_Spamblock.php

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.