# CVE-2023-4709: TOTVS RM Portal Login.aspx cross site scripting > Remote attackers can execute arbitrary scripts via VIEWSTATE manipulation in TOTVS RM Portal if specific non-default configurations are enabled. - **Severity:** Low 2.3 (`CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N`) - **Exploited in the wild:** Not known - **Login needed:** Not needed - **Attackable:** Over the internet - **Victim action needed:** A user has to click or open something - **Fix available:** No - **Published:** 1 Sep 2023 - **Updated:** 27 May 2025 - **Also known as:** GHSA-fff7-753p-rxwc ## What is CVE-2023-4709? CVE-2023-4709 is a low-severity cross-site scripting vulnerability in TOTVS RM, published on 1 Sep 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link. ### Official description A vulnerability classified as problematic has been found in TOTVS RM 12.1. Affected is an unknown function of the file Login.aspx of the component Portal. The manipulation of the argument VIEWSTATE leads to cross site scripting. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. It is possible to mitigate the problem by applying the configuration setting . It is recommended to change the configuration settings. The vendor was initially contacted early about this disclosure but did not respond in any way. In a later statement he explains, that "the behavior described [...] is related to specific configurations that are not part of the default application setup. In standard production environments, the relevant feature (VIEWSTATE) is disabled by default, which effectively mitigates the risk of exploitation." Weakness: CWE-94 (Improper Control of Generation of Code), CWE-79 (Improper Neutralization of Input During Web Page Generation) ## Which versions are affected by CVE-2023-4709? It affects 1 product. Products: Totvs Rm. ## How do I fix CVE-2023-4709? No fix has been published for CVE-2023-4709 yet. Limit exposure of the affected software until one is available. ## Is CVE-2023-4709 being exploited? There is no known exploitation of CVE-2023-4709 in the wild and no public exploit code. ## Other vulnerabilities in TOTVS RM - [CVE-2023-4710](https://insights.sbomify.com/CVE-2023-4710/): TOTVS RM Portal cross site scripting (medium 4.3) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2023-4709 and fix it if it is affected. What it is: CVE-2023-4709 is a low-severity cross-site scripting vulnerability in TOTVS RM, published on 1 Sep 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link. Exploitation: There is no known exploitation of CVE-2023-4709 in the wild and no public exploit code. Affected product: TOTVS RM. No package-level version data is available, so check the vendor advisory linked from the reference page. Task: 1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies. 2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it. 3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead. 4. Run the tests and summarise what changed and why. 5. If nothing in the project is affected, say so and change nothing. Reference: https://insights.sbomify.com/CVE-2023-4709/ (Markdown: https://insights.sbomify.com/CVE-2023-4709/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4709 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4709 - OSV: https://osv.dev/vulnerability/CVE-2023-4709 --- From sbomify Insights: https://insights.sbomify.com/CVE-2023-4709/ Summaries are generated and may contain mistakes; the official description above is the record.