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Mon, 13 Jul 2026 16:30:00 +0000
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ssvc
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Sat, 11 Jul 2026 04:45:00 +0000
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Gallerycreator
Gallerycreator simply Gallery Wordpress Wordpress wordpress |
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Gallerycreator
Gallerycreator simply Gallery Wordpress Wordpress wordpress |
Sat, 11 Jul 2026 03:30:00 +0000
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| Description | The SimpLy Gallery Block & Lightbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via block attributes in all versions up to, and including, 3.3.3.2. This is due to insufficient input sanitization and output escaping on the sliderMaxHeight block attribute in the pgc_sgb_render_callback() function. The vulnerability exists because the pgc_sgb_sanitize_custom_css() function uses a flawed regex pattern that only removes event handlers with quoted values (e.g., onfocus="alert()") but fails to catch unquoted event handlers (e.g., onfocus=alert(document.cookie)), allowing the malicious code to bypass sanitization. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages via block attributes that will execute whenever a user accesses an injected page. | |
| Title | Mixed Media Gallery Blocks <= 3.3.3.1 - Authenticated (Author+) Stored Cross-Site Scripting via sliderMaxHeight Block Attribute | |
| Weaknesses | CWE-79 | |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-07-13T14:40:00.739Z
Reserved: 2026-04-07T13:48:55.983Z
Link: CVE-2026-5743
Updated: 2026-07-13T14:35:00.708Z
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OpenCVE Enrichment
Updated: 2026-07-13T18:45:04Z