myBB Forums 1.8.26 contains a stored cross-site scripting vulnerability in the forum announcement system that allows authenticated administrators to inject malicious scripts when creating announcements. Attackers can exploit this vulnerability by inserting script payloads in the announcement title field when adding announcements through the 'Forums and Posts' > 'Forum Announcements' interface, causing arbitrary JavaScript to execute when the announcement is displayed on the forum.
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History
Mon, 22 Dec 2025 22:15:00 +0000
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ssvc
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Mon, 22 Dec 2025 21:45:00 +0000
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| Description | myBB Forums 1.8.26 contains a stored cross-site scripting vulnerability in the forum announcement system that allows authenticated administrators to inject malicious scripts when creating announcements. Attackers can exploit this vulnerability by inserting script payloads in the announcement title field when adding announcements through the 'Forums and Posts' > 'Forum Announcements' interface, causing arbitrary JavaScript to execute when the announcement is displayed on the forum. | |
| Title | myBB Forums 1.8.26 Stored Cross-Site Scripting via Forum Announcements | |
| Weaknesses | CWE-79 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2025-12-22T22:04:14.008Z
Reserved: 2025-12-20T16:31:20.899Z
Link: CVE-2023-53978
Updated: 2025-12-22T21:57:41.379Z
Status : Received
Published: 2025-12-22T22:16:03.373
Modified: 2025-12-22T22:16:03.373
Link: CVE-2023-53978
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OpenCVE Enrichment
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