Html5 Video Player < 2.5.19 - Subscriber+ Stored XSS

published 2024-01-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58716

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 44%
public exploits: 0; none known

The Html5 Video Player WordPress plugin before 2.5.19 does not sanitise and escape some of its player settings, which combined with missing capability checks around the plugin could allow any authenticated users, such as low as subscribers to perform Stored Cross-Site Scripting attacks against high privilege users like admins

Patch / fix

fixed in 1

Unknown Html5 Video Player 2.5.19

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-01-09)

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

wpscan.com https://wpscan.com/vulnerability/759b3866-c619-42cc-94a8-0af6d199cc81 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	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
CNA	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

Unknown Html5 Video Player

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/759b3866-c619-42cc-94a8-0af6d199cc81
exploit, vdb-entry, technical-description, third-party-advisory

Sources

CVE List CVE-2023-6485
NVD CVE-2023-6485

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