Content Egg < 5.3.0 - Reflected Cross-Site Scripting

published 2022-05-02 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15570

cvss: 6.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits: 0; none known

The Content Egg WordPress plugin before 5.3.0 does not sanitise and escape the page parameter before outputting back in an attribute in the Autoblogging admin dashboard, leading to a Reflected Cross-Site Scripting

Patch / fix

fixed in 1

keywordrush content_egg 5.3.0

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

wpscan.com https://wpscan.com/vulnerability/071a2f69-9cd6-42a8-a56c-264a589784ab 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

Affected products

Unknown Content Egg

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/071a2f69-9cd6-42a8-a56c-264a589784ab
exploit, third-party-advisory

Sources

CVE List CVE-2022-0428
NVD CVE-2022-0428

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