CVE-2026-88852: Joomla Extension - regularlabs.com - Privileged stored XSS via url option in Snippets Free extension for Joomla < 7.0.0, Snippets Pro extension for Joomla < 11.0.0
Joomla Extension - regularlabs.com - Privileged stored XSS via url option in Snippets Free extension for Joomla < 7.0.0, Snippets Pro extension for Joomla < 11.0.0 - Snippets substitutes variable values supplied by an article tag into saved Snippet content. The affected versions do not consider the article author's trust level. A lower-privileged author can therefore place an unsafe value into a security-sensitive position chosen by the trusted Snippet author.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Joomla Extension (regularlabs.com) - Snippets (Free)to a version that resolves this vulnerability.Fixed in 7.0.0 - Upgrade
Upgrade
Joomla Extension (regularlabs.com) - Snippets (Pro)to a version that resolves this vulnerability.Fixed in 11.0.0
Event History
Frequently Asked Questions
Which users can exploit this issue?
A lower-privileged article author can exploit it when a trusted Snippet author has created saved Snippet content that places an article-tag-supplied variable into a security-sensitive position.
What condition is required for exploitation?
The attacker needs the ability to supply a variable value through an article tag. Exploitation also depends on a trusted Snippet author having saved a Snippet that uses that value in a security-sensitive location.
Which releases are affected?
Snippets Free versions earlier than 7.0.0 and Snippets Pro versions earlier than 11.0.0 are affected.