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Vulnerabilities

Vulnerability · CVE-2025-12691

The Photonic Gallery & Lightbox for Flickr, SmugMug & Others plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's lightbox functionality in all versio

Published Nov 18, 2025 · catalog updated Apr 8, 2026 · Photonic Gallery & Lightbox for Flickr, SmugMug & Others

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-12691. EPSS is 0.20%. Act only if a listed version of Photonic Gallery & Lightbox for Flickr, SmugMug & Others is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.20%
Remediation
Vendor / distro source
Affected products
vendor sayontan Photonic Gallery & Lightbox for Flickr, SmugMug & Others 0 ≤3.21

The Photonic Gallery & Lightbox for Flickr, SmugMug & Others plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's lightbox functionality in all versions up to, and including, 3.21 due to insufficient input sanitization and output escaping on user supplied caption attribute. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the injected page.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor sayontan Photonic Gallery & Lightbox for Flickr, SmugMug & Others 0 ≤3.210 ≤3.21

How to fix CVE-2025-12691

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-12691. EPSS is 0.20%. Act only if a listed version of Photonic Gallery & Lightbox for Flickr, SmugMug & Others is installed.

Which versions are affected?

Compare what you have installed with sayontan Photonic Gallery & Lightbox for Flickr, SmugMug & Others 0 ≤3.21 0 ≤3.21. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.20%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 18, 2025 · EUVD

    Detected

    The Photonic Gallery & Lightbox for Flickr, SmugMug & Others plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's lightbox functionality in all versions up to, and including, 3.21 due to insufficient input sanitization and output escaping on user supplied caption attribute. This makes it possible for authenticated attackers, with contributor-level access and above, to

  2. Apr 8, 2026 · EUVD

    Updated

    The Photonic Gallery & Lightbox for Flickr, SmugMug & Others plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's lightbox functionality in all versions up to, and including, 3.21 due to insufficient input sanitization and output escaping on user supplied caption attribute. This makes it possible for authenticated attackers, with contributor-level access and above, to

Sources

  • CVE.orgVulnerability recordCVE-2025-12691

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-12691

    30-day exploitation probability 0.20%

    first.org
  • EUVDVulnerability recordEUVD-2025-197960

    The Photonic Gallery & Lightbox for Flickr, SmugMug & Others plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's lightbox functionality in all versions up to, and including, 3.21 due to insufficient input sanitization and output escaping on user sup

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 26, 2026
  • EUVDOct 26, 2026