WordPress Activello Theme <= 1.4.4 is vulnerable to Cross Site Scripting (XSS)

published 2023-04-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-48703

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

Auth. (subscriber+) Reflected Cross-Site Scripting (XSS) vulnerability in Silkalns Activello theme <= 1.4.4 versions.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-01-10)

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

patchstack.com https://patchstack.com/database/vulnerability/activello/wordpress-activello-theme-1-4-4-auth-reflected-cross-site-scripting-xss-vulnerability-2?_s_id=cve referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

Silkalns Activello

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/vulnerability/activello/wordpress-activello-theme-1-4-4-auth-reflected-cross-site-scripting-xss-vuln
vdb-entry, exploit, third-party-advisory

Sources

CVE List CVE-2022-45849
NVD CVE-2022-45849

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