CVE-2026-91829Subscribe to Comments < 2.3.3 - Reflected XSS via 'ref' Parameter
Updated under an hour ago ()
Does this affect you?
It affects Unknown Subscribe to Comments. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.16%, higher than 5% of scored CVEs.
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The Subscribe to Comments WordPress plugin before 2.3.3 does not properly validate a parameter before reflecting it into a link target, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting via a crafted URL against anyone who clicks it, including administrators.
- CVSS
- 7.1 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.16% (percentile 5)
- Assigned by
- WPScan
- NVD analysis
- Deferred
- Record last updated
- Oct 11, 2026
- First seen by InfoSec Signals
- Oct 11, 2026
Affected products
Unknown Subscribe to Comments unknown:subscribe_to_comments (from the name) | before 2.3.3 | CNA record |
References
- https://wpscan.com/vulnerability/1ed0314d-9871-4914-bb9c-ff894ea4c400/exploit, vdb-entry, technical-description
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.