CVE-2026-3129Medium· 6.4▾ SunlitThe LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via crafted `<img>` tag attributes in all versions up to, and including, 7.7. This is due to a flawed regular expression that is used to strip `width` …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.2 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 29.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via crafted <img> tag attributes in all versions up to, and including, 7.7. This is due to a flawed regular expression that is used to strip width and height attributes from images when the "Lazy Load Images" and "Add Missing Sizes" features are enabled. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that execute whenever a user accesses an injected page.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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