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WpvulndbWPEX-ID:F9E04F83-60F9-4883-81D9-8D00F3C312CA

HistorySep 27, 2023 - 12:00 a.m.

Collapse-O-Matic <= 1.8.5.5 - Contributor+ Stored XSS

2023-09-2700:00:00

wpvulndb

collapse-o-matic

stored xss

contributor+

shortcode

payload

administrator

exploit

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

4.9 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:P/A:N

0.0004 Low

EPSS

Percentile

14.0%

JSON

Description The plugin does not validate and escape some parameters, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

As a Contributor user create a new post and add a shortcode containing the following payload:
[expand elwraptag="img src=cx.jpg onmouseover=alert(1);"]test

Now, as an administrator, preview the post and it'll trigger the payload.

References

patchstack.com/database/vulnerability/jquery-collapse-o-matic/wordpress-collapse-o-matic-plugin-1-8-3-cross-site-scripting-xss-vulnerability

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

4.9 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:P/A:N

0.0004 Low

EPSS

Percentile

14.0%

JSON

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