Skip to main content
cve.nowby Sazabi
← All vulnerabilities
CVE-2026-116763EUVD-2026-112690GHSA-WGRW-7PQ3-7R4Q

LiteSpeed Cache <= 7.9.1 - Unauthenticated Stored Cross-Site Scripting via HTML Minifier Predictable Placeholder (md5(REQUEST_TIME) + two-pass str_replace)

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The LiteSpeed Cache plugin for WordPress is affected, allowing unauthenticated attackers to store malicious scripts that run in visitors' browsers when they load an affected page. The issue only arises when the HTML minification option is enabled and a companion plugin outputs stored comment content in a raw-text context on the same page.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 7.9.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This vulnerability is only exploitable when the HTML Minify option (O_OPTM_HTML_MIN) is enabled and a companion plugin renders stored comment content into a raw-text context such as a JSON-LD script block on the same page.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • litespeedtech LiteSpeed Cache

    through 7.9.1

References 7

wordfence.com

plugins.trac.wordpress.org