Firelight Lightbox Plugin up to 2.3.23 on WordPress cross site scripting

Summaryinfo

A vulnerability described as problematic has been identified in Firelight Lightbox Plugin up to 2.3.23. This vulnerability affects unknown code. Such manipulation leads to cross site scripting. This vulnerability is documented as CVE-2026-118438. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Firelight Lightbox Plugin up to 2.3.23 and classified as problematic. Affected by this issue is an unknown code block. The manipulation 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. CVE summarizes:

The Firelight Lightbox WordPress plugin before 2.3.24 does not properly escape image attribute values before processing them in the browser, which could allow users with contributor-level access and above to inject arbitrary web scripts that execute when another user views or previews the affected content.

The advisory is shared for download at wpscan.com. This vulnerability is handled as CVE-2026-118438 since 10/28/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 2.3.24 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• Firelight

Name

• Lightbox Plugin

Version

• 2.3.0
• 2.3.1
• 2.3.2
• 2.3.3
• 2.3.4
• 2.3.5
• 2.3.6
• 2.3.7
• 2.3.8
• 2.3.9
• 2.3.10
• 2.3.11
• 2.3.12
• 2.3.13
• 2.3.14
• 2.3.15
• 2.3.16
• 2.3.17
• 2.3.18
• 2.3.19
• 2.3.20
• 2.3.21
• 2.3.22
• 2.3.23

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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