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CVE-2021-24291 - Before 1 Plugin

CVE-2021-24291

The Photo Gallery by 10Web – Mobile-Friendly Image Gallery WordPress plugin before 1.5.69 was vulnerable to Reflected Cross-Site Scripting (XSS) issues via the gallery_id, tag, album_id and _id GET parameters passed to the bwg_frontend_data AJAX action (available to both unauthenticated and authenticated users)

CVE-2021-24291

MEDIUM CVSS 6.1 Published 2021-05-14 Updated 2024-11-21
AI Risk High (79/100) Active Exploit: Likely Published Exploit: Public exploit references found Priority: P2 Urgent
Severity Band MEDIUM
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected Components 3
Reference Links 2
AI Risk Engine High (79/100)
Exploitability High
Active Exploitation Likely
Published Exploit Status Public exploit references found

Threat Timeline

  1. 2021-05-14 CVE published and first recorded in the threat feed.
  2. 2024-11-21 Record updated with latest vulnerability metadata.
  3. 2026-04-12 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated 4 days ago

AI enriched 4 days ago (2026-04-12 03:04 UTC)

Technical Summary

The Photo Gallery by 10Web – Mobile-Friendly Image Gallery WordPress plugin before 1.5.69 was vulnerable to Reflected Cross-Site Scripting (XSS) issues via the gallery_id, tag, album_id and _id GET parameters passed to the bwg_frontend_data AJAX action (available to both unauthenticated and authenticated users)

Potential Impact

Severity is MEDIUM (CVSS 6.1). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as High based on published exploit references, low-bar exploit prerequisites.

Primary risk drivers: published exploit references, low-bar exploit prerequisites

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

AI risk score 79/100 (High, High) with priority P2 Urgent. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Before 1 PLUGIN · before-1 Affected: < 1.5.69 Fixed in: 1.5.69
Mobile Friendly Image Gallery PLUGIN · mobile-friendly-image-gallery Affected: < 1.5.69 Fixed in: 1.5.69
Photo Gallery PLUGIN · photo-gallery Affected: < 1.5.69 Fixed in: 1.5.69
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