WordPress Playroom theme <= 1.4.1 - PHP Object Injection vulnerability

published 2026-06-16 4 mo ago modified 2026-10-26 14 d ago also EUVD-2026-37482

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits: 0; none known

Unauthenticated PHP Object Injection in Playroom <= 1.4.1 versions.

Patch / fix

fixed in 1

Elated-Themes Playroom 1.5

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 4 mo ago (2026-06-17)

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

Affected products

Elated-Themes Playroom

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/theme/playroom/vulnerability/wordpress-playroom-theme-1-4-1-php-object-injection-vulnerabi
vdb-entry

Sources

CVE List CVE-2026-39577
NVD CVE-2026-39577

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