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CVE-2025-31136— FreshRSS 安全漏洞

一分钟漏洞结论

影响对象
FreshRSS FreshRSS
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

FreshRSS是FreshRSS开源的一个免费的、可自行托管的 RSS 聚合器。 FreshRSS 1.26.2之前版本存在安全漏洞，该漏洞源于SVG图标处理不当，可能导致跨站脚本攻击。

CVSS 6.7 · Medium EPSS 0.36% · P27
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一、 漏洞 CVE-2025-31136 基础信息

漏洞信息
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Vulnerability Title
FreshRSS vulnerable to Cross-site Scripting by <iframe>'ing a vulnerable same-origin page in a feed entry
来源: CVE Program / CVE List V5
Vulnerability Description
FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, it's possible to run arbitrary JavaScript on the feeds page. This occurs by combining a cross-site scripting (XSS) issue that occurs in `f.php` when SVG favicons are downloaded from an attacker-controlled feed containing `<script>` tags inside of them that aren't sanitized, with the lack of CSP in `f.php` by embedding the malicious favicon in an iframe (that has `sandbox="allow-scripts allow-same-origin"` set as its attribute). An attacker needs to control one of the feeds that the victim is subscribed to, and also must have an account on the FreshRSS instance. Other than that, the iframe payload can be embedded as one of two options. The first payload requires user interaction (the user clicking on the malicious feed entry) with default user configuration, and the second payload fires instantly right after the user adds the feed or logs into the account while the feed entry is still visible. This is because of lazy image loading functionality, which the second payload bypasses. An attacker can gain access to the victim's account by exploiting this vulnerability. If the victim is an admin it would be possible to delete all users (cause damage) or execute arbitrary code on the server by modifying the update URL using fetch() via the XSS. Version 1.26.2 has a patch for the issue.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L
来源: 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)
来源: CVE Program / CVE List V5
Vulnerability Title
FreshRSS 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
FreshRSS是FreshRSS开源的一个免费的、可自行托管的 RSS 聚合器。 FreshRSS 1.26.2之前版本存在安全漏洞，该漏洞源于SVG图标处理不当，可能导致跨站脚本攻击。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
FreshRSS FreshRSS < 1.26.2 -

二、漏洞 CVE-2025-31136 的公开POC

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三、漏洞 CVE-2025-31136 的情报信息

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同批安全公告 · FreshRSS · 2025-06-04 · 共 6 条

CVE-2025-46341 7.1 HIGH FreshRSS 代码问题漏洞
CVE-2025-32015 6.7 MEDIUM FreshRSS 跨站脚本漏洞
CVE-2025-31482 4.3 MEDIUM FreshRSS 跨站请求伪造漏洞
CVE-2025-46339 4.3 MEDIUM FreshRSS 安全漏洞
CVE-2025-31134 FreshRSS 安全漏洞

IV. Related Vulnerabilities

Same product: FreshRSS
Same vendor: FreshRSS
Same weakness: CWE-79

V. Comments for CVE-2025-31136

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