Album and Image Gallery with Lightbox – Flagallery Photo Portfolio <= 6.1.2 — Authenticated (Admin+) Stored Cross-Site Scripting
CVE-2021-24903Published · Updated Action summary
Affected: ≤6.1.2No patch available
What to do until a fix ships- Severity
- Medium5.5
- CVSS
- 5.5CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:HPrivileges required- High
UI:NUser interaction- None
S:CScope- Changed
C:LConfidentiality- Low
I:LIntegrity- Low
A:NAvailability- None
- Weakness
- CWE-79 Cross-Site Scripting
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Album and Image Gallery with Lightbox – Flagallery Photo Portfolio flash-album-gallery
- Affected≤ 6.1.2
- PatchedNo fix yet
No patched version available.
You are affected if you run ≤ 6.1.2. No fixed version has been released.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Album and Image Gallery with Lightbox – Flagallery Photo Portfolio.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Album and Image Gallery with Lightbox – Flagallery Photo Portfolio to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Tyler Miller.
The Album and Image Gallery with Lightbox – Flagallery Photo Portfolio WordPress plugin through 6.1.2 does not sanitise and escape some of its gallery settings, which could allow high privilege users to perform Cross-Site scripting attacks even when the unfiltered_html capability is disallowed.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Album and Image Gallery with Lightbox – Flagallery Photo Portfolio
All 14| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Sensitive Data Exposure <4.25Update to 4.25 | CVE-2014-8491 | |
| Medium6.1 | Cross-Site Scripting ≤2.71Update to 2.72 | CVE-2013-3261 | |
| Critical9.8 | SQL Injection ≤0.59Update to 0.60 | — | |
| High7.2 | SQL Injection ≤2.55Update to 2.56 | — | |
| Medium4.9 | Sensitive Information Disclosure <2.53Update to 2.53 | — |
- Medium5.3Sensitive Data Exposure
<4.25Update to 4.25
- Medium6.1Cross-Site Scripting
≤2.71Update to 2.72
- Critical9.8SQL Injection
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- High7.2SQL Injection
≤2.55Update to 2.56
- Medium4.9Sensitive Information Disclosure
<2.53Update to 2.53
Same weakness (Cross-Site Scripting)
All Cross-Site Scripting| Severity | Vulnerability | CVE | Published |
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| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
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Timeline
CVE published
Severity medium, CVSS 5.5
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.