Photo Gallery by Supsystic <= 1.15.5 — Cross-Site Request Forgery to Plugin Settings Change
CVE-2021-36891Published · Updated Action summary
Affected: ≤1.15.5Update to 1.15.6 or newer
All remediation steps- Severity
- Medium5.4
- CVSS
- 5.4CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:LWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:RUser interaction- Required
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:LAvailability- Low
- Weakness
- CWE-352 CSRF
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Photo Gallery by Supsystic – Image Gallery, Masonry, Albums & Lightbox gallery-by-supsystic
- Affected≤ 1.15.5
- Patched in1.15.6
Update to 1.15.6 or newer.
You are affected if you run ≤ 1.15.5. Version 1.15.6 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Photo Gallery by Supsystic – Image Gallery, Masonry, Albums & Lightbox.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 1.15.6, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Photo Gallery by Supsystic – Image Gallery, Masonry, Albums & Lightbox to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence.
Cross-Site Request Forgery (CSRF) vulnerability in Photo Gallery by Supsystic plugin <= 1.15.5 at WordPress allows changing the plugin settings.
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 Photo Gallery by Supsystic – Image Gallery, Masonry, Albums & Lightbox
All 6| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Cross-Site Request Forgery ≤1.21.6Update to 1.21.7 | CVE-2026-119484 | |
| Medium4.3 | Cross-Site Request Forgery ≤1.21.0Update to 1.21.1 | CVE-2026-102399 | |
| Medium4.4 | Authenticated (Administrator+) Stored Cross-Site Scripting ≤1.16.3Update to 1.17.0 | CVE-2026-24628 | |
| Medium5.5 | Authenticated (Administrator+) Stored Cross-Site Scripting ≤1.15.16Update to 1.15.17 | CVE-2024-29921 | |
| High8.8 | Cross-Site Request Forgery <1.8.6Update to 1.8.6 | CVE-2016-10918 |
- Medium4.3Cross-Site Request Forgery
≤1.21.6Update to 1.21.7
- Medium4.3Cross-Site Request Forgery
≤1.21.0Update to 1.21.1
- Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting
≤1.16.3Update to 1.17.0
- Medium5.5Authenticated (Administrator+) Stored Cross-Site Scripting
≤1.15.16Update to 1.15.17
- High8.8Cross-Site Request Forgery
<1.8.6Update to 1.8.6
Same weakness (CSRF)
All CSRF| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| 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 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity medium, CVSS 5.4
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.