The chained-quiz plugin 1.1.8.1 for WordPress has reflected XSS via the wp-admin/admin-ajax.php total_questions parameter.

published 2020-01-17 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28238

cvss: 6.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known

Exploit prediction

1.61% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

wpvulndb.com https://wpvulndb.com/vulnerabilities/10029 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

wpvulndb.com /vulnerabilities/10029
exploit, third-party-advisory

Sources

CVE List CVE-2020-7104
NVD CVE-2020-7104

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary