XSS in Photoswipe

CVE-2026-13605

The PhotoSwipe WordPress plugin through 4.1.1.1 uses the title attribute of author-supplied link markup as a lightbox caption that is written into the page DOM without escaping. Because the title attribute survives the post-content sanitiz…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Unknown Photoswipe — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13605?
CVE-2026-13605 is a medium-severity vulnerability in Photoswipe, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-07-29.
How severe is CVE-2026-13605?
Medium severity. CVSS v3 base score is 6.8 out of 10.