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CVE-2026-9620— WP Latest Posts <= 5.0.11 - Authenticated (Author+) Stored Cross-Site Scripting via Post Content Image src Attribute

Quick assessment

Affected
joomunited WP Latest Posts
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

joomunited wp latest posts是joomunited公司开源的一个WordPress最新文章插件。 JoomUnited WP Latest Posts 5.0.11及之前版本存在跨站脚本漏洞，该漏洞源于field()和loop()函数中输出转义不足，导致通过精心构造的图像src属性容易受到存储型跨站脚本攻击。

CVSS 6.4 · Medium EPSS 0.36% · P27

Affected Version Matrix 1

VendorProduct Version RangeStatus
joomunited WP Latest Posts ≤ 5.0.11 affected
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I. Basic Information for CVE-2026-9620

Vulnerability Information
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Vulnerability Title
WP Latest Posts <= 5.0.11 - Authenticated (Author+) Stored Cross-Site Scripting via Post Content Image src Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
The WP Latest Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via crafted image src attributes in post content in versions up to, and including, 5.0.11. This is due to insufficient output escaping in the field() and loop() functions, which extract the raw src attribute value from <img> tags within post_content using a regular expression and then reconstruct new <img> elements or CSS background-image declarations by directly concatenating the unescaped value — bypassing WordPress's kses filtering entirely. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
JoomUnited WP Latest Posts 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
joomunited wp latest posts是joomunited公司开源的一个WordPress最新文章插件。 JoomUnited WP Latest Posts 5.0.11及之前版本存在跨站脚本漏洞，该漏洞源于field()和loop()函数中输出转义不足，导致通过精心构造的图像src属性容易受到存储型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
joomunited WP Latest Posts 0 ~ 5.0.11 -

II. Public POCs for CVE-2026-9620

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III. Intelligence Information for CVE-2026-9620

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Vendor Advisories for CVE-2026-9620 (1)

Same Patch Batch · joomunited · 2026-06-24 · 3 CVEs total

CVE-2026-9643 7.2 HIGH WP Meta SEO <= 4.5.18 - Unauthenticated Stored Cross-Site Scripting via REQUEST_URI in 404
CVE-2026-11370 6.4 MEDIUM WP Meta SEO <= 4.5.18 - Authenticated (Contributor+) Server-Side Request Forgery via 'new_

IV. Related Vulnerabilities

Same product: WP Latest Posts
Same vendor: joomunited
Same weakness: CWE-79

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