WP VR < 8.3.15 - Unauthenticated Plugin Downgrade leading to XSS

published 2024-01-08 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58760

cvss: 6.1; 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 12%
public exploits: 0; none known

The WP VR WordPress plugin before 8.3.15 does not authorisation and CSRF in a function hooked to admin_init, allowing unauthenticated users to downgrade the plugin, thus leading to Reflected or Stored XSS, as previous versions have such vulnerabilities.

Patch / fix

fixed in 1

Unknown WP VR 8.3.15

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-01-16)

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

wpscan.com https://wpscan.com/vulnerability/c36314c1-a2c0-4816-93c9-e61f9cf7f27a referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

Unknown WP VR

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation
CWE-352 Cross-Site Request Forgery

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/c36314c1-a2c0-4816-93c9-e61f9cf7f27a
exploit, vdb-entry, technical-description, third-party-advisory

Sources

CVE List CVE-2023-6529
NVD CVE-2023-6529

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