CVE-2024-7343
About
A vulnerability was found in Baidu UEditor 1.4.2. It has been declared as problematic. This vulnerability affects unknown code of the file /ueditor142/php/controller.php?action=catchimage. The manipulation of the argument source[] leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-273274 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Rainforest analyst review
Another Baidu UEditor flaw, this one a cross-site scripting issue in the catchimage action of the PHP controller, where a manipulated source argument leads to script execution. Like its sibling, it's rated low and gated by authentication and user interaction, with only a limited integrity impact, so it's a narrow XSS rather than a serious injection vector.
The recurring theme is that UEditor is legacy software the vendor has stopped engaging with, so a public exploit sits unpatched. Still, the low score and stacked preconditions mean this is opportunistic-XSS material at most — dependent on an authenticated context and a victim's interaction — not something that draws automated mass exploitation or leads to takeover on its own.
We treat this together with the other UEditor bug as one signal: the risk isn't either individual CVE but continuing to run an unmaintained editor. Our practical stance is to find where UEditor lives in our applications and plan its removal, since new unpatched flaws in it will keep appearing. In the meantime, standard output encoding and CSP around the component limit the reach of any injected script.
References
Related CVEs
Frequently asked questions
What is CVE-2024-7343?
A vulnerability was found in Baidu UEditor 1.4.2. It has been declared as problematic. This vulnerability affects unknown code of the file /ueditor142/php/controller.php?action=catchimage. The manipulation of the argument source[] leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2024-7343?
CVE-2024-7343 carries a CVSS 3.1 base score of 3.5, rated low. On the Rainforest Risk Index — which weighs the severity alongside how easy the flaw is to reach and how broad its impact is — it scores 40 out of 100, in the moderate band.
How is CVE-2024-7343 exploited?
According to the CVSS vector (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N): attack vector Network, attack complexity Low, privileges required Low, user interaction Required. Impact on confidentiality None, integrity Low and availability None.
Which products are affected by CVE-2024-7343?
Public advisories list the following as affected: ueditor. Check the references on this page for the exact versions each vendor confirms.
How do I fix CVE-2024-7343?
Apply the fix the vendor published — the references on this page link to the primary advisories and patches. When patching can't happen right away, reduce the exposure of the affected component and watch it for exploitation attempts. Rainforest customers see this vulnerability correlated to their own assets and prioritized by real exposure, not by score alone.
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