CVE-2026-22210
wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability that allows attackers to inject malicious code through unescaped attachment URLs in HTML output by exploiting the WpdiscuzHelperUpload class.
Does this matter?
Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own.
Description
wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability that allows attackers to inject malicious code through unescaped attachment URLs in HTML output by exploiting the WpdiscuzHelperUpload class. Attackers can craft malicious attachment records or filter hooks to inject arbitrary JavaScript into img and anchor tag attributes, executing code in the context of WordPress users viewing comments.
- CVSS 4.0
- 2.1 LOWCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.17% probability · 6th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- gvectors/wpdiscuz
- Source
- disclosure@vulncheck.com
EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://wordpress.org/plugins/wpdiscuz/Product
- https://wordpress.org/plugins/wpdiscuz/#developersProduct, Release Notes
- https://www.vulncheck.com/advisories/wpdiscuz-before-cross-site-scripting-via-unescaped-attachment-urlsThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.