The T(-) Countdown plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'tminus' shortcode in all versions up to, and including, 2.4.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in twinpictures, baden03 jQuery T(-) Countdown Widget allows Stored XSS.This issue affects jQuery T(-) Countdown Widget: from n/a through 2.3.25.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Twinpictures Print-O-Matic allows Stored XSS.This issue affects Print-O-Matic: from n/a through 2.1.10.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Twinpictures Annual Archive allows Stored XSS.This issue affects Annual Archive: from n/a through 1.6.0.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Twinpictures Annual Archive allows Stored XSS.This issue affects Annual Archive: from n/a through 1.6.0.

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in twinpictures, baden03 Collapse-O-Matic plugin <= 1.8.5.5 versions.

The Annual Archive WordPress plugin before 1.6.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

The jQuery T(-) Countdown Widget WordPress plugin before 2.3.24 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

The Collapse-O-Matic WordPress plugin before 1.8.3 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admin.