EUVD-2026-41362
GHSA-qxv2-cxmc-87mq
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Unauthenticated reflected XSS (PR:N, UI:R) executing in the browser context gives S:C with low C/I impact; availability is unaffected, so A:N rather than A:L.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Lifecycle Timeline
1DescriptionCVE.org
Unauthenticated Cross Site Scripting (XSS) in WPAdverts <= 2.3.1 versions.
AnalysisAI
Reflected/unauthenticated Cross-Site Scripting in the WPAdverts WordPress classifieds plugin (versions 2.3.1 and earlier) lets a remote, unauthenticated attacker inject arbitrary JavaScript that executes in a victim's browser when they open a crafted link or view attacker-controlled input. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:C) reflects a low-complexity network attack needing only user interaction, with a scope change into the browser security context. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the target site to be running WPAdverts 2.3.1 or earlier and requires victim user interaction (UI:R) - the attacker must lure a user to open a crafted link or view attacker-supplied ad content that reaches the vulnerable, unsanitized output. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 7.1 (High) is driven by network reach, low complexity, no privileges, and a scope change (S:C) into the victim's browser context, offset by required user interaction (UI:R) and only low impact to confidentiality, integrity, and availability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker crafts a URL to a WPAdverts-enabled page containing a malicious script payload in a reflected parameter and delivers it via phishing email, forum post, or malicious ad. When a victim (potentially a logged-in site administrator) opens the link, the script executes in their browser session, enabling session/cookie theft, CSRF-style actions, or defacement of the rendered page. … |
| Remediation | No vendor-released patch version was identified in the available data; the input only confirms that versions 2.3.1 and earlier are affected, so administrators should consult the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/wpadverts/vulnerability/wordpress-wpadverts-plugin-2-3-1-cross-site-scripting-xss-vulnerability) and upgrade to the first release above 2.3.1 as soon as the maintainer publishes it. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: audit all WordPress installations for WPAdverts plugin versions 2.3.1 and earlier; identify affected systems and disable the plugin if it is not business-critical. …
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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